The site is no longer online.

I didn't invent this, it's the metrics of online media today. 

I’d suggest checking out real estate networking events (local or online) like REIAs or BiggerPockets.

Now when your agent actually does the release then they send it to the listing agent and its is the listing agents responsibility to forward that doc to the sellers we do this all the time via docu sign or hello sign or whatever on line document system the local MLS uses.. somehow you seem to have this backwards..

While the owner is free to sell the property and the information about how they run it as a business, AirBnB does not allow them to sell their online identity for the platform.

I really believe that we live in a time where all the information you need to do just about anything is available for free online.

You can find online mortgage calculators that allow you to play around and see what happens if you do an extra payment or increase your payments.

They were simply the king of online bookstores. 

Monitoring open windows isn't feasible in my case, but I can definitely monitor daily electricity usage online  

Today I would probably figure out to make money online with AI, that's an opportunity that did not exist in this form.