I Scanned This QR Code Near the Art Museum. Now My Reality Is Glitching

I was having a great time with a few acquaintances near the national art museum when I noticed this weird, boring looking simple poster. Against my better judgment, I scanned it. Since then, it's been as if something is following me digitally. I know about basic eavesdropping on Android, but this is different. I checked the cookies on the resulting website, and nothing seemed to have been leaked, yet the feeling of observation is constant. All feeds on any website have completely changed. And I’m getting bizarre search results even if I type something as benign as “how to make a pizza”.

Last night, the streetlights outside my apartment flickered into perfect sequence every time I typed a specific keyword combination on my keyboard. Just this morning, I caught a glimpse of my reflection in a darkened window, and it appeared to be about a half-second delayed, like my reality feed was lagging. I keep seeing these tiny, momentary glitches. I think I found a backdoor to something they control.

It's like i've just stumbled into an gateway to an alternate reality. Worst of all, I can't find the phone numbers of some of my best friends and I can't seem to remember their names. The friendly people in white coats last night gave me some blissfull pills for eternal harmony. I went to sleep quickly.

Probably just a bad dream.