Live is tough to use as a verb, and they use Live for a number of other products (e.g. Xbox Live, Windows Live, MSN Live Spaces). As a result they have to descr

Live is tough to use as a verb, and they use Live for a number of other products (e.g. Xbox Live, Windows Live, MSN Live Spaces). As a result they have to describe the search as Live Search, and they don't own LiveSearch.com. So even though live.com is an awesome domain it wasn't going to work for their search engine.