This reminds me of the recent news about Amazon, spying on partners products and then offering them. This is the end game for all platforms that control demand,

This reminds me of the recent news about Amazon, spying on partners products and then offering them. This is the end game for all platforms that control demand, slowly take more and more vertical integration to capture segments of larger value. This includes 'pure information' that they steal from publishers (and thus remove visits from the publisher) and normal verticals, like travel/shopping/tools/etc. I'm not sure that these marketplaces / demand owners should be able to as they wield unfair power vs other vertical specific offerings.