IM giants told to work it out. A consortium of financial services giants, which are getting into instant messaging, wants to force interoperability among ICQ, AIM, Yahoo Messenger and MSN Messenger. “The call for interoperability comes as corporations are beginning to look more seriously at IM as a communications tool within the office–a trend that has IM providers salivating at the thought of turning what has been mostly a free service into a paid product.” CNET