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YouTube warns it might make your viewing experience worse if you don't turn off your ad-blocker
(www.businessinsider.com)
This is a most excellent place for technology news and articles.
We have no idea if YouTube operates at a loss or is profitable. Google won't say. Revenue really tells you very little when you look at what it takes to run something like YouTube. It's a huge reason why an open competitor is so hard to make work.