What are the uses of IP camera?

What are the uses of IP camera?

The major use of IP cameras are surveillance. It is used in homes, offices, schools, colleges to have a secured and safe feeling. Since it uses internet it helps hooking up even miles away to your smartphones, laptops, and PCs. Due to its easy installation and wireless capacity, it is widely used in all kinds of places for surveillance. IP cameras are used to track and find perpetrators and it is used as an evidence in legal areas.
IP cameras are the new age CCTV system for securing your place. There are IP bullet cameras, IP dome cameras, HD IP cameras, and ranging from 2mp IP cameras to 8mp IP cameras in all categories
Then what exactly is the difference between IP cameras and CCTV?