REUTERS/Kim Kyung-Hoon
People wearing 'Pikachu' hats use mobile phones before the parade by performers wearing Pokemon's character Pikachu costumes in Yokohama, Japan, August 7, 2016.
"Pokémon Go" is the most popular mobile game in history. The augmented reality game lets players catch Pokemon by roaming around in real life. It's like a digital extension of reality.
The world itself is different with "Pokémon Go" in it. Finding a charizard in the wild is a new, compelling reason to glue your face to your phone. When a rare Pokémon appears, you can be sure that crowds will swarm nearby.
Here are some pictures that show what the world is like with "Pokémon Go."