Ad Technologies:

• Yahoo finally allows real-time bidding on network and exchange.

• Internet TV's new ad medium is an old one: live sponsor ads.

Email Marketing:

• Click-through rates are not the same from one industry to the next.

Social Media:

• Twitter CEO unveils @Anywhere platform.

• Where's the location-based love?

• 12 tips on live blogging and content creation at SXSWi.

• Apple app store has twice as many apps as Facebook.

• Opinion: the 7 least used Facebook features.

Privacy:

• Microsoft researcher chides Google, Facebook for privacy glitches.

Security:

• Twitter gets serious about spam issue.

Legal/Regulatory:

• FCC broadband plan includes more auction power.

Smartphones:

• 40% of Blackberry users willing to trade in for an iPhone.

Mobile Computing:

• 5 features the iPad needs for business.

Internet Registry:

• Dot Com domain celebrates 25th birthday.