I'll take the contrarian stance and say I'm not really impressed with the list. There are some that may be good, but there's not much new. Mostly me too products. Perhaps my expectations are too high.
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.