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graeme_p - 7:40 am on Jan 18, 2010 (gmt 0)
Big brand media sites get good ad revenues. Not if you have content that is worth paying for. There are a good many sites that do well behind paywalls. They do get indexed, and they do get linked (because they have unique content so there is no alternative to link to).
30% of something is better than 100% of nothing. pay wall = proven path to oblivion in the online world.