Measurement & Analytics:

• Nielsen and comScore put an end to their patent war, enter cross-licensing agreement.

Social Media:

• Facebook gets ads in main news feed starting January.

Search:

• Firefox, Google renew search deal.

• RIAA scolds Google, wants search algorithm changed to fight online piracy.

Mobile:

• Google hits pause button for Nexus S Android 4.0 update.

• Apple's Siri still hates the British. And southerners.

• Android activations top 700,000 per day.

Business:

• Amazon weighed buying RIM but interest cooled.

• Deutsche Telecom has no plan B for T-Mobile.

Security:

• Chinese computer hackers hit U.S. Chamber of Commerce.