Texting may be the most popular mode of communication between men, but for men under forty, Facebook beats out phone, Twitter and even email. The result comes from "The Great Male Survey," a study conducted by Ipsos OTX for AskMen.com. eMarketer boiled the responses down into a nice chart that shows Facebook gaining on texting as you move from young teens up to the 20 somethings. By thirty, Facebook becomes just as important as texting and incredibly,