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.
Most Talked About Topics on Social Media Right Now. The analytics company Prollie examined over 5,000 social media accounts on Facebook, Twitter, Tumblr, LinkedIn and Foursqaure in the US to find the six most shared and posted about topics out there right now.