The amount of Facebook users are increasing dramatically on a daily basis.
Amount. There're one or two other words whose use is criticized in English class, but the imagination people have is endless and there are always new words to misuse. A tribute to human ingenuity.

Also, "are".
This was not a newsgroup comment or an email, but a web article.
Posters should say where they live, and for which area they are asking questions. I was born and then lived in Western Pa. 10 years
Indianapolis 7 years
Chicago 6 years
Brooklyn, NY 12 years
Baltimore 26 years