After data mining your membership or subscriber base, you may find you have numerous individual users from the same company. Because their job depends on use of your service or information, those are often great qualified leads for group sales. But first find out who the head honcho is before you pitch. Then take a page from Dropbox, who sent an email with the copy below to our own publisher Anne Holland: Hi Anne, We have never met, but I noticed that there are several people in your company usi...