Clearwire, the Kirkland provider of wireless Internet service, boosted revenues and narrowed its loss during the third quarter. The Craig McCaw-backed company showed a $166 million loss, which compared to losses of $328.6 million for the same period last year. Revenue rose 47 percent to $60.8 million, ahead of analyst expectations. And the company's subscriber base grew to 469,000.

Visible Technologies, a Seattle startup that helps corporations track online discussions about executives, products or other issues, has named 24/7 Real Media founder David Moore to its board.

NPR reports on using cellulose from plants for biofuels.

Al Gore talks about Web 2.0 and climate change at the Web 2.0 summit.

Four Seattle area entrepreneurs talk with Brier Dudley about starting a new business in challenging economic times.

Remember when Web 2.0 was the hottest thing going in the VC ranks? No more. VentureBeat reports (and complies a nifty chart) that shows Web 2.0 investments plummeting by more than half in the third quarter to $220 million. Anthony Ha notes that the negative numbers don't even reflect the current economic crisis, so things could get much worse.

The Wall Street Journal reports that Microsoft is in talks to provide mobile search functions to Verizon Wireless, a move that could have implications for Seattle mobile search startup Medio Systems. In August, the Journal reported that Google -- along with Medio -- were close to a deal with Verizon.

Blue Nile, the Seattle online jewelry retailer, has begun offering no interest loans for six months on purchases of more than $500.

Jon Landers has stepped down as vice president of marketing at Pelago due to personal reasons, the latest employee to leave the heavily-funded Seattle mobile social networking company. John Kim will assume the responsibilities and take on the title of vice president of product management and marketing.