Maybe you thought about it as well, the implications of using Facebook and/or Google+, and the decision differences between the two.
You have a problem with both even if you decide not to use them: People will still add you to those networks. Anyone of your friends, or even people you only had contact with once, who added you as a contact in whatever (email) platform can use the friend finder or import their contacts, or any other Facebook app pushing your data into Facebook, and at least some of your data will be stored on Facebooks servers. Same with Google. Most Android users will synchronize their contacts with Google for backup, maybe Google+, and especially GMail. Do you have any friends with an Android phone?
Your data is already on their servers. So, does not using them make a difference? (more…)