Retargeting Specialist AdRoll Buys YC Alum Userfox To Add Email And CRM Data To Its Net

<a target="_blank" href="">AdRoll</a>, a online ad retargeting specialist, is expanding the number of sources where it collects data for its platform. Today the company announced

Vimessa Deadpooled, Founders Launch User Retention Service, Userfox, With $700K From Y Combinator, 500 Startups & More

Y Combinator-backed <a target="_blank" href="">Vimessa</a> launched in late 2011 <a href="