Can Twitter Rake in the Ads to Justify $1 Billion Valuation?

“… said Warren Lee, VC at Canaan Partners. ‘That would require tremendous volumes of impressions and reasonable conversions. Lots of execution will be needed. Not impossible but unlikely.’ …Yet Twitter is quite different. ‘It’s the first one that’s not a destination — it’s a distributed service,’ said Seth Goldstein, CEO of SocialMedia and investor in early Twitter backer Union Square Ventures. ‘There is no precedent for how to monetize it.’ “

—from adage.com