Ad Strategies:

• Apple iPhone ad succeeds where AT&T fails.

Online Media Strategies:

• News Corp. joined by rivals weighing Google block.
• Google to track TiVo viewing habits.

Search:

• Yahoo introduces search assist.
• Google loses ground to Bing with small business search advertisers.
• Google explains offensive Michelle Obama image in search results.

Social Media:

• Twitter eyes acquisitions, sees making money in 2010.
• Toys R Us becomes fastest growing brand on Facebook.

Online Video:

• Joost sells most of its assets to adconion.
• Interview: Adconion CEO says Joost will showcase branded entertainment.

Measurement:

• Leaders elected to Institute for PR Measurement Commission.

Smartphones:

• More Android users get Google Maps navigation.
• eBay launches holiday deals app for iPhone.

Mobile Computing:

• AT&T offers payment and data options.

Security:

• 'Godfather of Spam' sentenced to four years in prison.