Facebook has announced on its developer’s blog that it will be making user details accessible to third-party applications on its social networking site.
According to the announcements, Facebook will be making a user’s address and mobile phone number accessible as part of its User Graph object. As these are explicit information, permissions must be granted by the user as part of the standard Facebook application permission dialogs.
In other words, your address and mobile phone number will now be accessible to apps such as FarmVille, CityVille, and all the other annoying and less-annoying but still annoying, spammy applications that are flooding the extremely popular social networking site that has you, your 1000+ friends, and millions more potential friends.
Therefore, the simplest thing to do is to make sure you look at the permission dialogs carefully before you click “Allow” as many do not. Typically, in a haste to be “cool”, one would simply click “Allow” on any Application permission dialog. But now that Facebook has announced it will share your address and phone number, you can either: 1) click “Don’t Allow” and risk not being able to plant 10,000 crops and have the most awesome farm amongst all your friends, or 2) do not put your address and phone number on your Facebook profile page.