Video chat startup Seesmic has acquired Twhirl, an Adobe AIR Twitter client. Twhirl is the most popular Twitter client, boasting over 100,000 downloads and accounting for 7% of daily Tweets. Seesmic does plan on blending video chat into Twhirl, which is a Twitter user's dream come true!
According to Seesmic founder Loic Le Meur, Marco Kaiser, founder of Twhirl, was already in the process of incorporating Seesmic into Twhirl. Kaiser contacted Seesmic about his plans, and the rest is history. Twhirl and Twitter were, of course, used a great deal during their negotiations.