I was doing my morning reading yesterday, and came across yet another search engine - a9, a wholly owned subsidiary of Amazon.com. It's a simple little search engine - Google-esque to a point, but adds some of Amazon's new search-inside-the-book functionality, as well as a saved-searches function. And, like so many others, they offer an IE-browser toolbar for you to download! That got me thinking about how many of these toolbars I could cram into IE at once. As of now, I'm up to 9 -- Google, Yahoo, A9, AltaVista, Vivisimo, eBay, MSN, Alexa, and Ask Jeeves. I know there are plenty more out ...