Campaigns:

• Case study: Direct mail, SMS lift reward program.

Search:

• Google updates online ad patent.

• Troubleshooting tips from AdSense.

Mobile Computing:

• Apple iPad set to trigger huge tablet market, says ABI.

• Possible proof surfaces that iPad will have a camera.

Social Media:

• Facebook application developers turn to 3rd party Facebook ad managers.

• Second Life gets more social with acquisition.

• Social networking for tax season.

• Blogging declines among teens, young adults.

Web 2.0:

• Monster to pay $225 million for HotJobs.

• Amazon buys touchscreen start up.

Gaming:

• 2009 game sales fell in biggest global markets.

Security:

• Google to enlist NSA to ward off cyberattacks.

Smartphones:

• AT&T's iPhone mess.