This can't be good...
Google Warning for exporting info to FB:
"Hold on a second. Are you super sure you want to import your contact information for your friends into a service that won’t let you get it out? "
Facebook Wave Warning: "Hurry and export all your data to us so we can protect it from being stolen or sold. Creating a Facebook Email account is a legal admission that you are handing us your data to look after. Opting out from the Facebook Email program is also an admission that you want us to hold your data, as is starting a lawsuit, dying, or any other circumstance. Thank you for using Facebook Wave"