btw:  perhaps the abbreviation is obvious to someone in HR(aka Human Resource dept) working with immigrant labor, but that's a small population. 

House sitters are nice, but they are only human.

They are humans too and can make mistakes.  

Statistics and human behavior.

Human nature is such that we want to have riches fall into our lap and not have to work for it.

That is one of the most brilliant sociodemographic models ever developed in human history!

There is very little 'human' involvement when compiling it.

However, humans can't search for properties there... it's just for Realtors to log in and add/update/delete listings. 

Some human behavior elements were good – like taking ownership of your own situation.First speaker did set expectations that he will sell the course at the end of the day but it was an easy sell because he first set everyone’s expectation for the course to cost $7K but finally offered to all at $2K. that too with opportunities of full refund if they don’t make thrice as much.

She says you don't want to come across to a desperate seller as a cold, only-cares-about-the-numbers business owner, but a normal human being.