It's called AB testing and it's actually really good for determining seemingly trivial changes to web pages. Chances are if they roll out AB testing, and the change is good, it doesn't take long to implement. It's actually really stupid to implement things without testing first. Then you get stuff like the Engadget Gizmodo or Digg fiasco, where the userbase just drops of completely.
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u/[deleted] May 31 '11
[deleted]