Although somehow this cannot be real, since it would be bad for their own system, somehow the best results are having the least spelling errors. Of course a website with as target kids age 6-12 could use a lot of slang, new made up words, SMS language like wtf lolz brb lmao in the text. Still when I go look for such websites they usually write all other words pretty good. My own explenation is that people that hit Google for nice keywords, usually do not only do SEO. They are rarely UGLY as well. Most often they use the entire pie of online marketing and thus spend time on content and design as well, instead of just SEO. Still its a funny thought that Google might have anything related to a spell check. What do the experts think of the idea?
typo words and typo domains really big sector. Some companys have 100K + typo domains, and they are using for parking affiliates. This is huge gain for companys. Google knows it.