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.
The social networking company Facebook held its initial public offering (IPO) on Friday, May 18, 2012. The IPO was the biggest in technology and one of the biggest in Internet history, with a peak market capitalization of over $104 billion. Media pundits called it a cultural touchstone..