Summize

Twitter Stock Community Called StockTwits Gets Funding
VentureBeat reports that two-month-old StockTwits has raised a round of funding. (December 20, 2008)

Twitter Confirms Summize Acquisition
Twitter has confirmed rumors from earlier this month that they would be acquiring the Summize search engine. (July 15, 2008)

Rumors Swirl That Twitter is Buying Summize
Rumors are swirling that Twitter is buying the Summize search engine. (July 8, 2008)