Many services allow you to manage your different social network accounts all at once such as Ping.fm, HelloTxt. A new company started by ex-Microsoft employees is GoGoStat has one goal in mind: Allow people to update Twitter, Facebook, MySpace, and Flickr all at once making managing these separate services a simple an organized task. TechCrunch has some beta invite codes that will allow you to check it out so head over there if interested.
GoGoStat allows you to synchronize photos and contacts across the social networks, publish status, and email accounts. Just like ping.fm and Hellotxt, GoGoStat allows you to decide which social networks the updates get synced to.