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.
1 Metabolic disorders such as liver disease or kidney disease may cause drooling. 2  Animals who have difficulty swallowing will appear to hypersalivate or foam at the mouth. 3  Drooling or foaming at the mouth can be a sign of poisoning.