The Gmail preview widget has been broken on Yahoo! page for a few days now. I’m sure it is Google who has caused this in order to wrestle more users to its own iGoogle platform. The spot where Gmail inbox preview is now shows a “coming soon” error message from Yahoo, quite sad.
On the other hand, entrepreneurial people never cease to capitalize on business opportunities on anything. If you search for Gmail module in Yahoo, one of the two things come up is cunningly named “Gmail Inbox”. It is actually someone’s blog.