This screen of a simple request for the population of San Francisco is a good example of how WA is different and in some ways more useful than conventional search engines. Not only does it tell you the current population of the City by the Bay, it also charts it over time, something I wasn't looking for when I typed the query, but found pretty interesting:

-----------------------------------------------------------------------

Given that Wolfram is a scientist, it's not surprising that questions about science and math yield particularly deep answers:

Financial data is also extremely detailed. My comparison of Google and Intel yielded a torrent of information, including the fact that the average Google employee brings in $1.24 million in revenue annually, which made me feel incredibly inadequate:

-----------------------------------------------------------------------