Though there is lots more real estate information online–e.g., Zillow–when people sell and buy houses, they still go to real estate agents, 5-6% commissions and all.
Either this is a niche that needs filling–if you can do so, remember me when you come into your billions–or this particular industry demonstrates the commercial limits of the internet.
Which is it? What makes real estate agents immune from competition from the internet?
Illustration from Pixabay, Creative Commons, Public Domain