Google talk provides some basic features but unexpectedly few things are hidden. I have already told you about hidden emoticons (smileys) in Gtalk and now I will tell you about hidden text formatting techniques in Gtalk.This feature can be used in both google talk and Gmail embedded chat. – To type your message in bold, encapsulate it in asterisks (). Text before :Text after :– To italicize any word, write it between two underscores (_). Text before :Text after :– Use combination of asterisk() and underscore(_) to create a dual bold italicized effect. Text before :Text after :