In a warning to anyone who is on Facebook or anyone who is blase about their privacy settings, this article from The Huffington Post (US) claims that 13 million Facebook users have never enabled any privacy settings.
With Facebook’s 1 billion active monthly users, 28 percent of them are reported to share all, or almost all, of their wall posts with an audience wider than just their friends — whether they know it or not. Additionally, 11 percent of Facebook users said that someone else has tried to use their login without their permission.
If you’ve yet to enable privacy settings or haven’t reset them in a while, now is the time to do so. Read the whole article here.