“Millennials” is a notion for a group of people born between 1977 and 2000. This is very important target group from marketing point of view in developed countries. 25 % of US population belongs to the Millennials. They decide on of over a trillion dollars worth consumer purchases (in the USA) and have huge influence on older generations. Nearly half of them have more then 200 facebook friends. Much more likely to be an early adopter of technology then other generations.