A startup I worked for did all of this and more - I left because some of their tactics were getting far too shady for me. Scraping business listings to populate

A startup I worked for did all of this and more - I left because some of their tactics were getting far too shady for me. Scraping business listings to populate your DB to make your ad network look like it was being used wasn't so unethical as some of their spamming adventures.