Modern man is heavily dependent on technology.

His house is very big.

The advancement of technology has greatly changed our lives.

He is completely dependent on coffee.

He is completely dependent on her.

Modern technology is advancing at an astonishing rate.

Nanotechnology has the potential to greatly change the future of medicine.

He is a 'big friend', an adult fan of that anime.

You, what are you doing?

That person is my friend.