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 media platform is expected to raise as much as $1.6 billion, making it the biggest technology IPO since Facebook (FB) went public in May 2012 and raised a record $16 billion -- and investors big and small want a piece of the pie.