https://devstreaming-cdn.apple.com/videos/wwdc/2013/100xex1xb4fuo9xiu0/100/100-HD.mov?dl=1
    out=[2013] [Session 100] Keynote.mp4
https://devstreaming-cdn.apple.com/videos/wwdc/2013/101xex1x82z7rpszsw/101/101-HD.mov?dl=1
    out=[2013] [Session 101] Platforms State of the Union.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/102xex1x2e4xpykz1y/102/102-HD.mov?dl=1
    out=[2013] [Session 102] Apple Design Awards.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/109xxxjfr9zgakbgrzxk23n2/109/109-HD.mov?dl=1
    out=[2013] [Session 109] Painting the Future.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/200xdx2x35e1pxiinm/200/200-HD.mov?dl=1
    out=[2013] [Session 200] Accessibility in OS X.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/201xex2xxf5ynwnsgl/201/201-HD.mov?dl=1
    out=[2013] [Session 201] Building User Interfaces for iOS 7.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/202xdx2x47ezp1wein/202/202-HD.mov?dl=1
    out=[2013] [Session 202] Accessibility in iOS.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/203xex2xro3o27pyntvhsqsohil/203/203-HD.mov?dl=1
    out=[2013] [Session 203] What’s New in Cocoa Touch.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/204xex2xvpdncz9kdb17lmfooh/204/204-HD.mov?dl=1
    out=[2013] [Session 204] What’s New with Multitasking.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/205xbx2xfbtmyu1l18h36mfqxmy/205/205-HD.mov?dl=1
    out=[2013] [Session 205] What’s New in Cocoa.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/206xex2xws29m12p69m7s169q/206/206-HD.mov?dl=1
    out=[2013] [Session 206] Getting Started with UIKit Dynamics.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/207xdx3xbarjw2d2va5olp57qh8/207/207-HD.mov?dl=1
    out=[2013] [Session 207] What’s New in Core Data and iCloud.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/208xex3xyxmpz8s37fk59avul0c5/208/208-HD.mov?dl=1
    out=[2013] [Session 208] What’s New in iOS User Interface Design.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/209xdx3xahizhph6dg8wk631i/209/209-HD.mov?dl=1
    out=[2013] [Session 209] Improving Power Efficiency with App Nap.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/210xbx3xpg6jhh8okmc7zc8j89/210/210-HD.mov?dl=1
    out=[2013] [Session 210] Introducing Text Kit.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/211xcx3xeognrgah6anssirb/211/211-HD.mov?dl=1
    out=[2013] [Session 211] Core Data Performance Optimization and Debugging.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/213xax3xr33a8oxfsxg8bha/213/213-HD.mov?dl=1
    out=[2013] [Session 213] Best Practices for Cocoa Animation.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/214xex3xkbq0z93doa6o31c0/214/214-HD.mov?dl=1
    out=[2013] [Session 214] Customizing Your App’s Appearance for iOS 7.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/215xax3xz5pbbxeaxxe7z1mk3q/215/215-HD.mov?dl=1
    out=[2013] [Session 215] Optimizing Drawing and Scrolling on OS X.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/216xcx4x7if809qdggi7vcc/216/216-HD.mov?dl=1
    out=[2013] [Session 216] Bringing Your iOS Apps to OS X.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/217xex4xi4ws3f5wrv3w2wkh/217/217-HD.mov?dl=1
    out=[2013] [Session 217] Exploring Scroll Views on iOS 7.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/218xdx4xj2umojkv3e8dbk6i/218/218-HD.mov?dl=1
    out=[2013] [Session 218] Custom Transitions Using View Controllers.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/219xax4xjor8i6b9h77lafay32/219/219-HD.mov?dl=1
    out=[2013] [Session 219] Making Your App World-Ready.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/220xbx4xipaxfd1tggxuoib/220/220-HD.mov?dl=1
    out=[2013] [Session 220] Advanced Text Layouts and Effects with Text Kit.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/221xex4xxohbllf4hblyngt/221/221-HD.mov?dl=1
    out=[2013] [Session 221] Advanced Techniques with UIKit Dynamics.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/222xbx4xitmr47hmc2ulz1tli4hv/222/222-HD.mov?dl=1
    out=[2013] [Session 222] What’s New in State Restoration.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/223xex5xsgdfh1ergtjrqwoghbj/223/223-HD.mov?dl=1
    out=[2013] [Session 223] Using Fonts with Text Kit.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/224xcx5x1y1yx8ra5jbmfyhf/224/224-HD.mov?dl=1
    out=[2013] [Session 224] Designing Code for Performance.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/225xex5xkk51ehr0z54gd9kt/225/225-HD.mov?dl=1
    out=[2013] [Session 225] Best Practices for Great iOS UI Design.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/226xbx5xinmlvbdabxux9k3kt/226/226-HD.mov?dl=1
    out=[2013] [Session 226] Implementing Engaging UI on iOS.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/227xax5xif2s7s531dsmfs1afo2/227/227-HD.mov?dl=1
    out=[2013] [Session 227] Solutions to Common Date and Time Challenges.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/228xax5xif2s7s53df5ffjfao2/228/228-HD.mov?dl=1
    out=[2013] [Session 228] Hidden Gems in Cocoa and Cocoa Touch.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/300xdx2xem8o4pmrhvraq9ty76/300/300-HD.mov?dl=1
    out=[2013] [Session 300] Managing Apple Devices.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/301xcx2xzxf8qjdcu3y2k1itm/301/301-HD.mov?dl=1
    out=[2013] [Session 301] Extending Your Apps for Enterprise and Education Use.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/302xdx3xf65k8c0kkajsjy2mh9jj/302/302-HD.mov?dl=1
    out=[2013] [Session 302] What’s New in Passbook.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/303xdx3xodi2951d3kopnrhlg/303/303-HD.mov?dl=1
    out=[2013] [Session 303] Integrating Passbook into your Ecosystem.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/304xex4x7qun15qmlzgf1s39fn08/304/304-HD.mov?dl=1
    out=[2013] [Session 304] What’s New in Map Kit.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/305xbx4xqongltzvuja8xrmsrq1/305/305-HD.mov?dl=1
    out=[2013] [Session 305] Using Store Kit for In-App Purchases.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/306xdx4xq2n1jhue4dfou0nemckj/306/306-HD.mov?dl=1
    out=[2013] [Session 306] What’s New in iTunes Connect.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/307xex4xl1ey243ksyxqfip0xowr/307/307-HD.mov?dl=1
    out=[2013] [Session 307] What’s New in Core Location.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/308xex4x6ybggtlw4ztv0sg5btp/308/308-HD.mov?dl=1
    out=[2013] [Session 308] Using Receipts to Protect Your Digital Sales.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/309xdx4x891fj1ing58e5cayt1z/309/309-HD.mov?dl=1
    out=[2013] [Session 309] Putting Map Kit in Perspective.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/310xex5xg29dwip7fgthel9z2/310/310-HD.mov?dl=1
    out=[2013] [Session 310] Harnessing iOS to Create Magic in Your Apps.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/400xex2xbskwa5bkxr17zihju9uf/400/400-HD.mov?dl=1
    out=[2013] [Session 400] What’s New in Xcode 5.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/401xbx2xq50gv7mqafyfdns2yhxl/401/401-HD.mov?dl=1
    out=[2013] [Session 401] Xcode Core Concepts.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/402xdx2x3ccrfzk85j9dysimvsui/402/402-HD.mov?dl=1
    out=[2013] [Session 402] What’s New in the LLVM Compiler.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/403xex2xoo3u74gemi4q9vhvs/403/403-HD.mov?dl=1
    out=[2013] [Session 403] From Zero to App Store in Xcode 5.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/404xbx2xvp1eaaqonr8zokm/404/404-HD.mov?dl=1
    out=[2013] [Session 404] Advances in Objective-C.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/405xcx3x5ud6sopkxfqg7ikk/405/405-HD.mov?dl=1
    out=[2013] [Session 405] Interface Builder Core Concepts.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/406xex3x90a7ka0kyhsfjxfqfbi/406/406-HD.mov?dl=1
    out=[2013] [Session 406] Taking Control of Auto Layout in Xcode 5.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/407xdx3xw3kl5xx1h5cs73sp/407/407-HD.mov?dl=1
    out=[2013] [Session 407] Debugging with Xcode.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/408xcx3x0l4e2phvin8xrhsn23/408/408-HD.mov?dl=1
    out=[2013] [Session 408] Optimize Your Code Using LLVM.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/409xdx4x4adcwca5ok0rtsup0sg/409/409-HD.mov?dl=1
    out=[2013] [Session 409] Testing in Xcode 5.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/410xcx4x9x0ry3zbw3rzq14kx/410/410-HD.mov?dl=1
    out=[2013] [Session 410] Fixing Memory Issues.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/412xdx4x6xpjownhu5d4as36/412/412-HD.mov?dl=1
    out=[2013] [Session 412] Continuous Integration with Xcode 5.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/413xdx5x97itb5ek4yex3r7/413/413-HD.mov?dl=1
    out=[2013] [Session 413] Advanced Debugging with LLDB.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/414xdx5xbjc8ls04ewrox0a160i/414/414-HD.mov?dl=1
    out=[2013] [Session 414] Understanding Source Control in Xcode.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/415xdx5x0wygxidaf0ifiey/415/415-HD.mov?dl=1
    out=[2013] [Session 415] Maximizing Apple Development Resources.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/416xxx3x90yhsjxfqfbi/416/416-HD.mov?dl=1
    out=[2013] [Session 416] Introducing AppleScript Libraries.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/417xxx0oh4r99eed2hb1k3ce/417/417-HD.mov?dl=1
    out=[2013] [Session 417] OS X Automation Update.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/500xbx2xh3dv43mpm46sd0qzj8d0/500/500-HD.mov?dl=1
    out=[2013] [Session 500] What’s New in Scene Kit.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/501xdx2xat8ocml4nv7i08noe/501/501-HD.mov?dl=1
    out=[2013] [Session 501] Integrating with Game Controllers.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/502xex3x2iwfiaeglpjw0mh54u/502/502-HD.mov?dl=1
    out=[2013] [Session 502] Introduction to Sprite Kit.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/503xbx3xoaktjug4e05xvl04/503/503-HD.mov?dl=1
    out=[2013] [Session 503] Designing Games with Sprite Kit.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/504xbx3x55lc470bv6s8dk2lcg28/504/504-HD.mov?dl=1
    out=[2013] [Session 504] What’s New in Game Center.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/505xbx4xrgmhwby4oiwkrpp/505/505-HD.mov?dl=1
    out=[2013] [Session 505] Advances in OpenGL ES.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/506xbx4x8brixcxa41wrzgph0gw/506/506-HD.mov?dl=1
    out=[2013] [Session 506] Turn-Based Gaming with Game Center.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/507xax4xgxp9uuxl9i7y0emdv5ib/507/507-HD.mov?dl=1
    out=[2013] [Session 507] What’s New in OpenGL for OS X.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/508xax4xqkee4rd9rsmbb86dw5cu/508/508-HD.mov?dl=1
    out=[2013] [Session 508] Working with OpenCL.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/509xbx5xydkscnk7eyuyj1qi/509/509-HD.mov?dl=1
    out=[2013] [Session 509] Core Image Effects and Techniques.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/600xbx2x3eaj3ryz3w5zw5gozz39/600/600-HD.mov?dl=1
    out=[2013] [Session 600] What’s New in Safari and WebKit for Web Developers.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/601xfx2xk7wrmhwsa5gao39ln/601/601-HD.mov?dl=1
    out=[2013] [Session 601] Getting to Know Web Inspector.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/602xcx2xk6ipx0cusjryu1sx5eu/602/602-HD.mov?dl=1
    out=[2013] [Session 602] What’s New in Core Audio for iOS.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/603xfx2xhszvvn0zgc1cbgx1j/603/603-HD.mov?dl=1
    out=[2013] [Session 603] Getting the Most Out of Web Inspector.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/604xfx2xl2ujhx7vffbjmtqu2t/604/604-HD.mov?dl=1
    out=[2013] [Session 604] Introducing iAd Workbench, The Best Way to Market Your App.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/605xfx2xbot31cme1uns8w647vsw/605/605-HD.mov?dl=1
    out=[2013] [Session 605] What’s New in iBooks Author.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/606xdx2xbp31zp28fdov8p0b6d/606/606-HD.mov?dl=1
    out=[2013] [Session 606] Moving to AV Kit and AV Foundation.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/607xfx3xox1jscc7z24fl2jf4mf/607/607-HD.mov?dl=1
    out=[2013] [Session 607] Power and Performance -  Optimizing Your Website for Great Battery Life and Responsive Scrolling.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/608xcx3xafjdvmnjpo5dzvou97r/608/608-HD.mov?dl=1
    out=[2013] [Session 608] Preparing and Presenting Media for Accessibility.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/609xfx3xpwcil5bz8h6ot4f871/609/609-HD.mov?dl=1
    out=[2013] [Session 609] Introduction to iBooks Author Widget and iAd Rich Media Ad Development with iAd Producer 4.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/610xcx3xv9xjy916g3wzes0ze63/610/610-HD.mov?dl=1
    out=[2013] [Session 610] What’s New in Camera Capture.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/611xfx3x2l2zzkb2oaovson/611/611-HD.mov?dl=1
    out=[2013] [Session 611] Building Advanced iBooks HTML 5 Widgets and iAd Rich Media Ads.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/612xax4xx65z1ervy5np1qb/612/612-HD.mov?dl=1
    out=[2013] [Session 612] Advanced Editing with AV Foundation.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/613xfx4xp91m26w7iu790d3nx/613/613-HD.mov?dl=1
    out=[2013] [Session 613] iAd Integration and Best Practices.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/614xax5x602jmihlq4c4edtrl/614/614-HD.mov?dl=1
    out=[2013] [Session 614] Implementing OS X Push Notifications for Websites.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/615xax5xpcdns8jyhaiszkz2p/615/615-HD.mov?dl=1
    out=[2013] [Session 615] Integrating JavaScript into Native Apps.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/700xcx2xuedgs1rni4qry1yumg/700/700-HD.mov?dl=1
    out=[2013] [Session 700] Designing Accessories for iOS and OS X.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/701xbx2xqblo39z6tpbdrcz/701/701-HD.mov?dl=1
    out=[2013] [Session 701] Maximizing Battery Life on OS X.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/702xfx2xmlrics5pyrjfwu2m/702/702-HD.mov?dl=1
    out=[2013] [Session 702] Efficient Design with XPC.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/703xcx2xljtlq481grxurla4/703/703-HD.mov?dl=1
    out=[2013] [Session 703] Core Bluetooth.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/704xcx2xrmodatdtgs6nf5w4/704/704-HD.mov?dl=1
    out=[2013] [Session 704] Building Efficient OS X Apps.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/705xbx3xcjsmrdbtwl5grta6gq6r/705/705-HD.mov?dl=1
    out=[2013] [Session 705] What’s New in Foundation Networking.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/707xfx3xysb4yyrvtxbbu6t9fono/707/707-HD.mov?dl=1
    out=[2013] [Session 707] What’s New in Kext Development.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/708xbx3x7xusbzidl0j3acxest/708/708-HD.mov?dl=1
    out=[2013] [Session 708] Nearby Networking with Multipeer Connectivity.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/709xax3xiafkagts5jfa5705dx6/709/709-HD.mov?dl=1
    out=[2013] [Session 709] Protecting Secrets with the Keychain.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/710xfx3xn8197k4i9s2rvyb/710/710-HD.mov?dl=1
    out=[2013] [Session 710] A Practical Guide to the App Sandbox.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/711xcx4x8yuutk8sady6t9f/711/711-HD.mov?dl=1
    out=[2013] [Session 711] Advances in AirPrint.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/712xax4xb4mh6prvqkesmm75/712/712-HD.mov?dl=1
    out=[2013] [Session 712] Energy Best Practices.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/713xcx4xtaue02i1tvk0kpvarvo/713/713-HD.mov?dl=1
    out=[2013] [Session 713] The Accelerate Framework.mov
https://devstreaming-cdn.apple.com/videos/wwdc/2013/714xbx5xcen10zkjl5f9sd8ys63/714/714-HD.mov?dl=1
    out=[2013] [Session 714] Protecting your Users’ Privacy.mov