Not bias, deliberate disappearance of specific categories of ideas. Independent blogs and forums not owned by large silicon valley companies have disappeared, f

Not bias, deliberate disappearance of specific categories of ideas. Independent blogs and forums not owned by large silicon valley companies have disappeared, for example. So have all discussions of current events, except for "mainstream" news publications. Whether this is because of a short term greed motivation to maximize adsense yield or a larger conspiracy of global information control isn't clear yet. But it amounts to the same in practice.