INTERACTING WITH You-Tube? That's easy: Typeabrief description of whatyou want to watch into thesite's search box, pick fromone of hundreds of selec-tions, and sit back to enjoyyet another brief glimpseinto the musical life of TayZonday—or whatever suitsyour online video fancy. Butwatching a YouTube videohas always been just that,watching. Until now. YouTube has bundled anew set of tools into its vid-.eo authoring system thatenables you to hack a smalldegree of interactivity intoyour videos. These additionswon't be interactive in thestyle of a traditional Flashgame or application, whereyou can do whatever you'dlike within a single contentwindow, but they will giveyou the power to do morewith YouTube than you everthought possible. In our case,it helped us make a choose-your-own-adventure guidefor building a PC (find.pcworld.com/62895)—a project we'veused here as an example.
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