The domino effect is a chain reaction that occurs when a small change causes a similar change nearby, which then causes another similar change, and so on in linear sequence.
"The MegaSOS Effect" his is what happens when you perform a random act of kindness or help someone who's in need. This causes positive momentum or what some call "Paying It Forward", creating a change reaction of Goodwill towards others. This eventually spreads throughout your neighborhood, your city, country and the world.
Give a helping hand and do something kind for someone today!