It’s a step on from sending each other links. The free plug-in gives the option of simultaneously viewing pages and collaborating on web searches. In addition, the co-browsing tool offers annotation tools, allowing you to highlight areas on the screen and write over the top of websites, whilst still continuing your IM conversation.
The WebEx co-browsing plug-in can be accessed from the Plug-in Picker within the Yahoo! Messenger client or downloaded from the WebEx website.