The main idea in the Internet of Things is that any “thing”or object, conveniently tagged, may be able to communicate with other objects equally tagged through internet or any other protocols. These objects which are part of the net may contain small chips or embedded systems, depending on their purpose. They may range from home equipment to industrial items or even electrodomestic, cars or even supermarket food. Anything can be tagged to be part of the Internet of things. Possibilities of the Internet of things to make people’s life easier and to automatize many of our current tasks are huge, for instance, it is possible that the fridge may send an email to our mobile phone if it runs out of milk, we can monitor hospitalized patients by internet... there are lots of practical applications and all of them are seen with a common basis: “things” are communicating with “things” or persons.