And the search came from a company, Summize, which had a real time social search engine which they launched using twitter data. It really made twitter work. Buying summize was one of the critical early decisions at twitter which has been forgotten but was so important.

TechCrunch

Confirmed: Twitter Acquires Summize Search Engine | TechCrunch

Update: Full transcript of video interview is here. It turns out those rumors last week were accurate. Microblogging site Twitter has acquired the ...