Facebook eventually filed for an initial public offering on February 1, 2012. Facebook held an initial public offering on May 17, 2012, negotiating a share price of US$38. The company was valued at $104 billion, the largest valuation to date for a newly listed public company.
No one knows what causes these small, painful blisters inside your mouth. Triggers include hypersensitivity, infection, hormones, stress, and not getting enough of some vitamins. Also called aphthous ulcers, canker sores can show up on the tongue, cheek, even your gums.
The most common causes of a sore mouth would include the following. 1. Drinking lots of hot liquids. Essentially this would just be a burn of the roof of the mouth and it could be fixed by staying away from the really hot liquids or foods. 2. Smoking or chewing tobacco. Tobacco products are very irritating to the mouth!