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.
On this day in history, Facebook, the worldâs largest social network, holds its initial public offering (IPO) and raises $16 billion. It was the largest technology IPO in American history to that date, and the third-largest IPO ever in the United States, after those of Visa and General Motors. At...