Online Ad Market:

• Pandora debuts its own ad platform for the iPad app.

Measurement & Analytics:

• Audience measurement firms race to the finish line - but not there yet.

E-Commerce:

• Apple rumored to launch retail store on Tuesday.

Social Media:

• TripAdvisor snuggles up to Facebook friends.

• Foursquare checks in with marketers: scalable tools on the way.

• Promoted Tweets will amplify social media efforts, agencies say.

E-Mail Marketing:

• Email marketing has always been social.

Search:

• Ex-Microsoft employee: here's 5 ways Microsoft can improve Bing.

Legal/Regulatory:

• FTC to review allegations Apple’s iAd is anti-competitive: report.

Privacy:

• Smartphone trackers raise privacy worries.

Pearls of Wisdom:

• 6 tips on image SEO.

• When does a social media policy go too far? Ask the Associated Press.

Gaming:

• Will Microsoft's Kinect connect with gamers?