Translation of fumigar in Spanish-English

I am asking you to give me a reply as soon as possible so that we can proceed. Have you ever tested the new version? Many users are waiting for it, and are sending me lots of emails about it.
It is called Facebook viral marketing. I'm 62 and it's somewhat mystifying, but my two boys are using it continuously. What I'm a bit afraid of is the personal information they send to everybody. It has no privacy.
During the summer it can get pretty hot and humid here in Florida (strong winds from the south also happen, hurricanes), but I still think that Florida is an exciting and diverse state also in the summer.