PayPal is building an ad network based on your Venmo data

Image: Hugo Herrera / The Verge PayPal is launching an advertising platform built on a trove of customer transaction data. The company's new advertising business will encompass purchase information and customer spending habits from PayPal and its sister app Venmo, according to The Wall Street Journal. PayPal has brought on Mark Grether, the former vice president and general manager of Uber Advertising, to lead its advertising business. "If you're someone who's buying products on the web, we know...