1 Canker sores are small, painful ulcers on the inside of the mouth, tongue, lips, or throat.  Symptoms of canker sores include small, painful, crater-like ulcers.
Facebook is the biggest social network on the web, both in terms of name recognition and total number of users. With nearly 1.8 billion active users, Facebook is a great medium for connecting people from all over the world with your business. And the site is not only the biggest network, but it's also arguably the most versatile one.
From nudity to name changes, the giant social media site has quite a few rules about what can and cannot be uploaded onto its users' profiles. And with nearly 955 million users to keep tabs on, it shouldn't come as too much of a surprise that Facebook takes its rules pretty seriously.