Try searching for 'Medicare' in Google, then opening another browser tab and searching first for 'Obama' and then for 'Medicare' again. Notice any difference?
Samsung is attempting to have the recent $1 billion patent verdict in favor of Apple thrown out, on the basis that the foreman of the jury was biased.
High school math teachers are biased against girls, rating their abilities lower than those of boys with the same test scores.
Engineers from Facebook, Twitter and MySpace have created a browser add-on that they say cancels the effects of Google's bias towards Google+ results.