I advise anyone interested in this to visit http://gmailblog.blogspot.com/2011/04/new-in-labs-background-send.html http://gmailblog.blogspot.com/2011/04/new-in-

I advise anyone interested in this to visit http://gmailblog.blogspot.com/2011/04/new-in-labs-background-send.html http://gmailblog.blogspot.com/2011/04/new-in-labs-background... instead, as TFA is merely a short summary of the gmail blog post.