Facebook F8 Facebook F8 Facebook F8 (pronounced ""eff eight"") is a mostly-annual conference held by Facebook, intended for developers and entrepreneurs who build products and services around the website. It is hosted in the San Francisco Bay Area, California, previously in San Francisco (until 2016) and now in San Jose, in Silicon Valley. Previous events have started with a keynote speech by Facebook founder Mark Zuckerberg, followed by various breakout sessions concentrating on specific topics. Facebook has often introduced new features, and made new announcements, at the conference. The "F8" name comes from Facebook's tradition of 8 hour hackathons. The scheduling of
F8 (classification) arm tends to be near horizontal at the moment of release of the discus. F5 and F8 discus throwers have less average angular forearm speed than F2 and F4 throwers. F2 and F4 speed is caused by use of the elbow flexion to compensate for the shoulder flexion advantage of F5 to F8 throwers. A study of javelin throwers in 2003 found that F8 throwers have angular speeds of the shoulder girdle similar to that of F3, F4, F5, F6, F7 and F9 throwers. Two other sports people in this class participate in are wheelchair basketball and swimming. In the