I'm wondering what type of startups will appear in this space. Obviously an uber-type delivery service, as well as price-tracking tools. Any product would be a

I'm wondering what type of startups will appear in this space. Obviously an uber-type delivery service, as well as price-tracking tools. Any product would be a boon to advertisers, since after using it, the advertisers would have an ahem captive audience... can't wait to see Cheetos funding a weed-startup incubator.