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.
09 Mar, 2011 who founded 0. Facebook is the most popular social networking site online today. It is where people can keep in touch and share comments and photographs of their everyday lives. It was launched in February of 2004 and has more than 600 million active members. The name comes from a book that is given out at the start of academic year at Untied States universities.