Online Ad Market:

• Twitter launches Earlybird Exclusive Offers.

• Facebook, Twitter battle for billions in TV ads.

• Impact of advertising in smartphone market.

• Local ads start to aim at automobile drivers.

Social Media:

• Foursquare launches location layers.

Biz Buzz:

• Yahoo keeps mobile focus on content, services.

• Forbes hires AOL executive to lead product development.

Demographics:

• Blacks, Hispanics among biggest users of wireless web, according to Pew.

• Coke taps Mommy bloggers in Korea.

Pearls of Wisdom:

• 5 traits common to Twitter addicts.

• Advertising on the iPad - what to expect.

• Should your business get a Foursquare cling?