Google may seem to own the search space these days, but Yahoo still sees a respectable amount of traffic. Unlike Google, Yahoo is a content producer as well as a search engine; additionally, they didn't start out as an algorithm-based search engine. How does that affect it today? And what does that mean for you if you're trying to get your site viewed by Yahoo users? Keep reading for the answers.According to Comscore stats, Yahoo holds around 20% of the search engine market share. Compete.com also supports this, giving Yahoo 19.4%. Hitwise awards Yahoo 22.55%, so it's safe to say Yahoo holds around 20% of the search engine market share in the United States. That number differs for UK, Canada and other countries. Yahoo Inc originally started in 1994 as a web directory by Jerry Yang and David Filo. Its original URL resided on akebono.stanford.edu/yahoo, and the name Yahoo translated to "Yet Another Hierarchical Officious Oracle." After keeping up Yahoo for a bit, t...