Services like Scoop.it depend on a community of millions of hardworking experts who wonder what to do with the wealth of knowledge and wisdom they have accumulated in life and are happy to share it.
This is not mere Google bashing which has become very fashionable these days. It is not about the deteriorating search quality of Google everyone is starting to notice or why Microsoft's Bing is any better.
It is really about how the cyber world is changing and shaping the needs and expectations which have evolved beyond mere key word search. Services like Scoop.it will meet those because Google won't. Pretty soon the question will be "have you scooped it?" rather than "Have you Googled it?"