About AdRoll

AdRoll is a retargeting and prospecting platform for advertisers.

Publishes cross-channel ad campaigns to over 500 ad exchanges, including Facebook, Twitter, Instagram, and Google.
Has proprietary real-time bidding algorithm, so you don’t overpay for ad space or placement.
Offers prospecting tool so you can find and market to new audiences who match your current ones.
Allows for automation and high data portability.