Ad Technologies and Vendors:

• AOL sets up $10 million venture fund to back local startups.

Email Marketing:

• Email firms latch on to market for social campaign tools.

Ad Targeting:

• X+1 adds smart tagging to targeting platform.

Smartphone:

• Sprint to unveil first WiMax phone.

• Americans pay more for mobile apps.

• Study's forecast of mobile app explosion is overblown.

• Mobile start up takes on drug counterfeiters.

Privacy:

• FTC member rips into Google's privacy efforts.

Social Media:

• Facebook's search updates focus on speed.

• SXSW festival: top five apps from Austin.

• Is social media worth your time?

E-Commerce:

• Amazon may impede access to some publishers' books.

• States pressure e-tailers to collect sales tax.

Convergence:

• Five burning questions about Google TV.

Security:

• Scammers target Facebook users again.

Legal/Regulatory:

• Big Pharma asks FDA to adopt new rules for web marketing.