Adify is an online marketplace for highly targeted ads. Businesses can sell ad space directly to advertisers; advertisers can target specific market niches while Adify handles the back-office work.
Funding: $8 million (Venrock Associates)
Cofounder & CEO: Larry Braitman (shown right)
Headquarters: San Bruno, Calif.
Business model: Advertising
Bragging rights: 4,000 publishers have signed up, including The Washington Post; revenues doubling quarter-over-quarter
Next up: Signing more publishers
Tell us what you think about our 25 startups to watch: Are any of them the next YouTube or MySpace?