In terms of social networks, Twitter definitely seems to be the place to be at the moment. Facebook may be ruling the roost when it comes to its total registered member base, but it's the micro-blogging platform that seems to be getting all the headlines and the celebrity attention of late. Although Twitter is essentially a platform which allow users to share nuggets of information that don't exceed 140 characters, the service wouldn't be anywhere near as popular without the ability to upload and share media such as photos and videos.