Facebook hasannouncedthat their Groups feature now has over 50 million groups created. In response to this, they’ve added a new ‘Send’ button that will allow you to share items with your groups. The Send button will exist alongside the ‘Like’ button as a way to share things with just a particular group, rather than with every friend you have on Facebook. This way only the people that share the same interest in that topic as you will see what you send....

Want the full story from F8?Here’s everything you need to know. We’ve just found that Facebook isdoing a lot with music integration, as part of their new Open Graph initiative. Clearly, music is a very social activity, and could be a huge business for Facebook. With Facebook credits, you could then subscribe to your favorite service, share songs with your friends, and listen together with the new Facebook “Listen with a friend” feature in the ticker....

We speculatedlast weekthatFacebook‘s “awesome announcement” would be an integration withSkype. Before Mark Zuckerberg took the stage today to officially announce itsSkypepowered live video chat, Facebook reported details of its new featureon its blog. With 750 million membersconfirmed, Mark Zuckerberg declares Facebook is one of, if not the biggest chat network in the world. So Facebook has made important changes to chat including group chat and video chat.The new chat designincludes a sidebar that lists the people you message most making it easier to find your friends and start a conversation....

In the past we’vewarnedabout the importance of keeping an eye on which Facebook apps have access to your account. In future, that will be all the more important as Facebook hasannouncedthat it now lets developers access your phone number and address, if they choose, when you use their apps. It’s worth noting that Facebook is only making this data available if you specifically approve it – apps you’ve already approved won’t have automatic access to the information....

Facebook is driving an increasing amount of traffic to news websites but Google is still the top referring service, according to a study published today. The study by thePew Research Center’s Project for Excellence in Journalismlooked at the behaviour of news consumers online during the first nine months of 2010 using audience statistics from theNielsen Co. The study examined the 25 most popular news websites in the United States, looking at how users get to the sites, how long they stay there, how deep they explore a site and where they go when they leave....