Apple has released a public beta of iChat 2.1, which makes it possible to engage in video and audio chats with Windows users running AIM 5.5. (Of course, I don’t know anyone using Windows and a Web cam, so I haven’t been able to test it yet.)
iChat 2.1b also introduces a strange limitation: if you send more than five messages within 10 seconds, you get a message that says
The AIM service could not send the message: You have sent too much data too quickly. Please wait a little while before sending more.
