| Website | 33across.com |
| Category | Advertising |
| Employees | |
| Founded | 9/07 |
| Description | Targeted online advertising technology |
| Series B, 3/09 First Round Capital Rose Tech Ventures | $750k |
33Across, named after the 33% of internet users at which its marketing is directed, proposes to use social networks to make online advertising more effective. In a departure from widespread direct response advertising, this company is developing technology to identify and target messages to these most influential web users, in order to use their sway to the client’s advantage.