Google will on Tuesday launch a customisable search engine that users can carry on their own blogs and other websites, a move that potentially opens up a big new market for its search listings and related advertising.
Source: FT.com
The ability to roll your own search engine for your site, will no doubt come with Google ads. Hmm, I'm not sure I want their ads on my site (I'd rather have my own :) ) and there is a bit of competition already in this field. It'll be interesting to see how this works out for Google.