Advertising online is beginning to sound like the 'Law of Rent' https://en.wikipedia.org/wiki/Law_of_rent https://en.wikipedia.org/wiki/Law_of_rent ie when a r

Advertising online is beginning to sound like the 'Law of Rent' https://en.wikipedia.org/wiki/Law_of_rent https://en.wikipedia.org/wiki/Law_of_rent ie when a resource is both essential and limited ( user attention in this case, land in the original case ) the person controlling that resource takes a share of the value generated by people using the resource that approaches break-even. ie all the profit. ie to put it another way - if you need customers and the only route is through Google, then you will have pay almost all your profits to Google for that attention.