You know instant messaging has reached a tipping point when appliances get it on the action. Smart grid software company EnerNOC is bringing instant messaging to air conditioners with PowerTalk, a system that uses the XMPP protocol commonly used for messaging services (including GChat), chat rooms, and voice calls.
Are you afraid of that little box at the bottom right side of your Facebook screen? You're probably not alone. That box is called Facebook Chat. Released in April, it offers Facebook members the option to see which of their friends are online, and then lets them instant message them. Seems like a great tool -- but many users aren't buying in yet.