Lots of uproar over the latest changes in Google's Algo. It's kind of sad when you think that fortunes can be gained and lost by tweaks of numbers.

Here are some articles that highlight some things -

http://searchengineland.com/google-forecloses-on-content-farms-with-farmer-algorithm-update-66071

http://blog.searchenginewatch.com/110224-093044

The Winners and Losers - http://searchengineland.com/who-lost-in-googles-farmer-algorithm-change-66173

http://blog.searchenginewatch.com/110226-184951

And finally some tips on keyword research - http://www.clickz.com/clickz/column/2028420/basics-keyword-selection