Account Moves:

• TVGuide.com has selected PubMatic to optimize its ad revenue.

Strategies:

• Package-goods players are ramping up online spend.

Email Marketing:

• Embedded video in e-mail slows to a trickle as brands back away.

Measurement:

• Nielsen, Catalina JV to create media solutions.

Social Media:

• Huffington Post's new ad revenue stream: Twitter feeds.

• Monetizing social media is about targeting first and everything else second.

Spending:

• comScore: online spending approaches $20 billion for the holiday season.

Web 2.0:

• Where the digital music business is headed in 2010.

Smartphones:

• Apple revamps app store interface: bigger icons, new layout.

• Microsoft losing fight for smartphone customers.

Search:

• More Tweets are in Yahoo search results.

• Search giants rev up innovation engines.

Security:

• New lawsuit says ISP installed 'spyware,' misled Congress.

E-Readers:

• There is still no Kindle killer on the horizon.