Reuters - With their paths through the Internet increasingly blocked by government filters, Nooshin and her fellow Iranian opposition-supporters say their information on planned protests now comes in emails.

AP - Hoping to boost revenue, MySpace Music has begun experimenting with audio advertisements that users must hear if they want to listen to music for free online.

NewsFactor - The Chinese government has arrested three hackers who were running an online hacker-training business. The trio of hackers operated Black Hawk Safety Net, a company that collected nearly $1 million from more than 120,000 members.

NewsFactor - Barnes & Noble said Monday that its popular nook e-book reader is back in stock online and will be rolling out in the majority of the bookseller's U.S. stores this week. Customers also will be able to enjoy exclusive Valentine's Day-themed online content this month, the company said.

PC World - Google plans to tweak Gmail to make it easier for its users to post and share status updates, in an attempt to inject the Web mail service with social-networking capabilities popularized by Twitter and Facebook, according to The Wall Street Journal.