Recession boosts entrepreneurship — A recent study shows more people have founded new businesses in the months since the downturn began than in the months preceding it.Swine flu hits World of Warcraft – Researchers are using the game to study how pandemics spread in environments where all individuals have free will.

Online ad revenue takes a dive — Online ad spending totaled $7.9 billion in the first quarter, a 2 percent drop from last year at this time and a 7 percent drop from fourth quarter. TechCrunch has the details.

SolarWinds seeks IPO — The software company is looking to raise $139 million through a listing on the New York Stock Exchange. The WSJ has more (subscription).

Motion-sensing for the Xbox? — Rumor has it Microsoft is working on a gaming system that detects full-body motion.

Facebook shows up in Seesmic Desktop — The new version of Seesmic Desktop integrates Facebook status and Twitter updates.

Ryan Tate takes reins from Owen Thomas – The former Gawker night editor will take over for Thomas as editor of Valleywag later this month. All Things D has the story.

Hackers crack private info banks – Lexis Nexis and Investigative Professionals have both reported security breaches affecting up to 40,000 of their customers.

Dialing up sex education — Several new services allow experts to respond to teens’ sex questions sent via text message. The New York Times has more.

NPR uncovers secrets of Google’s book-scanning machine — The report delves into the search engine’s patented infrared camera used to scan thousands of texts. NPR has more.