50 year old guy sitting on the train in front of me was shamelessly reading One Direction fanfiction. I say 'shamelessly' because it was open full screen on his computer and I'm pretty sure the font was even turned up to be bigger than default.

I once busted my little brother looking up "naked Pokemon, naked Pikachu" and "big titty black women". It's been almost 20 years. Every few years I'll give him some Pokémon related gift for his birthday with a "never forget" card attached

My brother was a voracious user of the old AOL chatrooms. One day out of the blue in conversation with an AOL user from France, he started typing out the french language. I was amazed. Who knew that my brother could converse in french? He never had a french language lesson in his life, never spoke a word in french or any other foreign language, he never cracked open a book on anything, he had no french friends or acquaintances off line, etc. How he knew how to speak in french is a total mystery to me to this day. Never saw him do it again.

I found a guy searching for "old granny sex tape" on pornhub, later on I asked him why an old lady and he said:"all we see is youngs or milfs, I needed to change my sight".

I saw someone going through the pictures on their phone showing something to someone next to them and needless to say, he forgot he had pictures of him balls deep in a girl (I also somewhat knew) and it scrolled by as he was skimming through the photos.

Some 9th grade kids on my bus really like Hitomi Tanaka

Saw one of my 29 year old coworkers looks at my little pony on his computer, wears a my little pony lanyard, has a my little pony sticker on his external hard drive and wears my little pony t-shirts.

I saw someone going through the pictures on their phone showing something to someone next to them and needless to say, he forgot he had pictures of him balls deep in a girl (I also somewhat knew) and it scrolled by as he was skimming through the photos.

looked over a guys shoulder on the bus he was searching through images of blue waffle, the only thing I could describe this guy as is fucked in the head mental shit

They were probably suffering from short term amnesia. I sat next to a lady on a bus for a little over an hour. She repeatedly went back to a meme about Valentine's day and laughed at it. She then kept starting to forward it to friends, going back to her Facebook feed and scrolling through all the posts she had just read, arriving at the meme, reading it intently again, laughing, forwarding it to a friend... This went on for 45 minutes

Found another furry looking at furry porn in class.Never talked to them.

I was on the bus and this guy in front of me was trying to sell 150 editions of Playboy on eBay on his phone. He looked a little sketchy...

Found another furry looking at furry porn in class.Never talked to them.

Was on a train once and the guy in front of me was googling "Lois Griffin naked big bum".