Just because there have been successful "me too" products, doesn't mean that they are all worthwhile pursuits. It seems that Google is too often played as a trump card to support ideas that don't stand on their own as viable businesses.
(Although, I'm not saying that's the case with this list)
doesn't mean that they are all worthwhile pursuits
Similarly, just because they are "me too" product doesn't mean they won't succeed. It seems that "me too" product is too often played as a trump card to discard new startups.
like...
"Google.com: A search engine that looks at link popularity to find the best search results. It's going to revolutionize search."
Talk to investors from the starting days of Google, and they'll cite you a dozen examples of similar sounding pitches. It's hard to tell from few liners about the future of a company.