A former Amazon executive is quietly building a new $1 billion business inside Instacart that’s trying to rival Facebook and Google

Instacart’s ad business generated hundreds of millions in sales last year. It’s led by an exec who grew Amazon’s ad operation into a Google and Facebook competitor. Some advertisers say Instacart doesn’t share enough strong data to make it worth larger investments. See more stories on Insider’s business page. Instacart is building an advertising business … Read more