Google is running an experiment in their search results and has “Two new improvements to Google results pages“, apparently shown to a portion of their users. What happens is that on the search results, say for the query comic books, a link in the top blue bar will read “Show options…”. Click it,

For some weeks there are some documents about addons for Google Chrome and today they launched their first extension. This only works with the Chrome 2.0 beta or the last two versions of Dev.
In order to activate the addons you have on the Google Chrome shortcut command – enable-extensions – load-extension =