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.
Also Read: How to get rid of sharp pain in tongue . Causes of blister on tongue. Blisters on the tongue are as a result of wide range of causes. They are named depending on the area of the tongue they affect and the time they may take to clear. The following are some of the many causes of blisters on the tongue: 1. Sexually Transmitted Diseases [STD]