A Google Talk chatback badge will let visitors to your web page chat with you.
They'll be able to chat with you whenever you're signed in to Google Talk. as
response. Simple and effective. Nice design. But not many users as far as I can
see. Seems, that the creator works on other projects now.
The chatback setup page offers an IFRAME which can be embedded into any web
page. The code shows something like:
Why is this important to virtual presence? This is a signal, that another major
player enters the field of chat-on-web-pages. In this case at least to make web
page owners aware of visitors and visitors aware of the online status of page