Given the reference text below, what is Safer Internet Day?

Safer Internet Day is celebrated worldwide to raise awareness about online safety.[13] Many people take safety on the internet for granted and for that reason it is important to educate people about possible data breaches. Childnet, as part of the UK Safer Internet Centre, coordinate Safer Internet Day in the UK. Safer Internet Day 2015 saw over [14] 800 organizations in the UK taking part to help promote the safe, responsible and positive use of digital technology for children and young people. For the day the UK Safer Internet Centre launched a new study Friendship in a Digital Age and launched the #Up2Us film, which was made by 150 young people to inspire others to do something kind online.

Safer Internet Day raises awareness about internet safety for children and young people.