Honest question: does that really include all of your data? All the messages, comments, friends, any friend ID or contact info (email addresses, IM names, phone

Honest question: does that really include all of your data? All the messages, comments, friends, any friend ID or contact info (email addresses, IM names, phone numbers, addresses, etc.)? In other words, is it enough data that you can just export and jump ship to another social network without much interruption (assuming some reasonable transformation effort for the data)?