If you're asking industry heavyweights to make a video to fire up kids about math and science, it's probably no surprise that the video game maker is the one getting the most views.

Activision is bringing its multi-billion dollar Guitar Hero series to the iPhone and iPod touch. Today. Activision SVP Karthik Bala unveiled the latest Guitar Hero game at Apple's Worldwide Developer Conference today, slapping a $2.99 sticker price on the app.