Facebook F8 add a “Like” button to any piece of content on a website by the owner. This feature is now integrated within around 2.5 million websites worldwide, with 10,000 more being added daily. Additional news and announcements included: F8 2011 was held on September 22, 2011. Various things Facebook introduced at the conference included a new profile redesign named 'Timeline' that showed a history of user's activity on their profile, and a broader, more advanced version of the 'Open Graph' protocol. The F8 2011 event was mainly focused on introducing new products, transforming industries, building and growing social applications and product
F8 (classification) they were moved to the F9 class because of a perceived lack internationally to have a standing wheelchair class. Under the IPC Athletics classification system, this class competes in F42, F43, F44, and F58. Field events open to this class have included shot put, discus and javelin. In pentathlon, the events for this class have included Shot, Javelin, 200m, Discus, 1500m. For F8 javelin throwers, they can throw the javelin from a standing position and they use a javelin that weights . Performance wise, a 1999 study of discus throwers found that for F5 to F8 discus throwers, the upper