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
Fairchild F8 was a demonstration of packing many routines into a 1K ROM. The program counter (PC) is maintained in the F3851 PSU. There is one program counter for each PSU in the system. Each PSU has a backup program counter. The PSU also contains a pointer register called a data counter, DC. The user only sees one program counter and one data counter. There are no restrictions in the F8 for how memory addresses are used. They can be either for program or data. Memory interaction has the feature of a Turing machine allowing the computer to put operands in memory