1. Their Ads product. Seems obvious today, but was revolutionary. There are an incredible number of companies, from massive DTC brands to SMBs across the US, th

1. Their Ads product. Seems obvious today, but was revolutionary. There are an incredible number of companies, from massive DTC brands to SMBs across the US, that would not exist today if not for Facebook. 2. No other social network has even come close to how much FB has connected the world.