Agencies:

• Meredith builds up sideline in marketing.

Ad Buying/Planning:

• Marketers targeting 'green moms' in ad networks.

Smartphones:

• Never-ending iTunes sales taly reaches 10 billion.

Social Media:

• Facebook awarded patent for measuring affinity towards applications.

• Most Super Bowl ads don't go viral.

• Health care professionals use mobile text, social media.

• Facebook pages now part of Google's real-time results.

• How journalists use search and social media.

Gaming:

• Nintendo DSi XL to get classic book app.

Legal/Regulatory:

• Yelp facing class-action lawsuit over extortive 'ad sales'.

• Larger threat is seen in Google case.

Telecom:

• FCC chief proposes mobile spectrum auction.

• AT&T, Verizon and Sprint 4G: not so fast.

Security:

• Court order helps Microsoft tear down Waledac botnet.