As a passionate world changer - I have contributed voluntarily - to my NGO, to my club, to my spiritual community ...

When you decide that you can make a difference in your community, in the society, at the United Nations - what do you do? Step by step, stone by stone, page by page, day by day... We can all make a difference.

Just one post in social media can have an impact. One tweet can get attention. One photograph gets commented, shared, liked - and an avalanche of public opinion is generated.