https://www.reddit.com/r/todayilearned/comments/6tnvnx/til_the_gameboy_had_a_sonar_addon_for_fishermen/
reddit: the front page of the internet
https://www.reddit.com/r/videos/comments/6tp53e/frisbee_dad_aces_it/
https://www.reddit.com/r/gaming/comments/6tosnj/nintendos_got_a_new_princess_in_town/