Facebook

Facebook Banners

http://www.get-covers.com

Facebook Like box

http://developers.facebook.com/docs/reference/plugins/like-box/

Facebook Like button

http://developers.facebook.com/docs/reference/plugins/like/

Facebook Social Plugins

http://developers.facebook.com/docs/plugins

Facebook touch site for tablet devices

http://touch.facebook.com

Facebook Fan Page apps

http://www.facebook.com/Fanpageapps

Facebook hacked, report here

http://www.facebook.com/hacked