Behind the World Jump Day you are going to find Vene Hammerschlag and according to the info on the website, a few university professors.
The idea is simple: just jump around. Be punctual, because you can not afford to be late, at least not with this project. The more people do it, higher is the change to shake that Earth.
I do not believe in miracles, but I would sign up. This could be the largest mob on this planet, don’t you think?