sentences:  While the original controllers for the first "Guitar Hero" game were designed by Ryan Lesser, Rob Kay, Greg LoPiccolo, and Alex Rigopulous of Harmonix and built by the Honeybee Corporation of China, subsequent iterations and future controllers were developed inhouse at RedOctane, with development led primarily by Jack McCauley.Both RedOctane and Harmonix experienced changes in 2006.RedOctane was bought by Activision in June — who spent US$100 million to acquire the "Guitar Hero" franchise — while it was announced in October that Harmonix would be purchased by MTV Games.