WSJ.com Mobile Reader user cynthia.barnes@vzw.blackberry.net wanted you to see this:"Birds of a Feather Twitter Together"A guide to the social-networking service Twitter that explains how to use it, the lingo, privacy options and problems that it has.Mossberg/The Mossberg SolutionReading this on your Blackberry? Try the WSJ.com Mobile Reader now by clicking http://ping.fm/5Oh8w