Teleconference calls are so 2008.IBM today announced a new software tool, Sametime 3D, which allows people to hold virtual business meetings in virtual conference rooms.It has its origins in the worlds of Sim City and MMORPGs. Users will be able to create their own avatars to represent them in the “rooms,” and will be able to talk, share presentations and, in a cute move, be able “to, literally, throw ideas on the wall” to “see what sticks.” The 3D technology means that users will be able to view presentations