Online Ad Market:

• Q1 online ad spending drops from highest point.

Ad Agencies:

• Mobile agencies look beyond apps as market evolves.

• So your agency just got acquired. Now what?

Email Marketing:

• 7 B2B trends in email marketing strategies and spending.

Social Media:

• Is B2B on board with social?

• Travelocity says Chatroulette marketing works.

Privacy:

• E.U. regulators criticize Facebook's privacy practices.

• Facebook downplays 'all hands' privacy meeting.

• At Harvard, Zuckerberg mocked users who trusted him with personal data.

Mobile Computing:

• 4 reasons the Android surpassed the iPhone in sales.