Campaigns:

• JetBlue marketer to agencies: find me on Twitter.

Ad Technologies:

• Video ad networks embrace retargeting.

Social Media:

• The syndication of Twitter.

• Facebook users spending 7 hours a month on the site.

• Facebook 'impressions' lend little insight.

• Big names, tiny games: Facebook attracts major publishers.

• Social media optimization is the new SEO.

Convergence:

• HBO debuts online video service with Verizon.

Publishing:

• Users will pay for content online, with a few catches.

Legal/Regulatory:

• Student can sue over suspension for Facebook page.

• FCC chairman wants faster broadband.

Productivity:

• LinkedIn lands in Microsoft's Outlook.