stackyFACTS
Psychology

When holding the door open forces someone to run

HERE’S THE INTERESTING PART

Your polite gesture instantly transforms into a hostage situation, forcing an innocent stranger into an awkward, obligatory jog. They are out of breath, you feel deeply foolish, and both of you secretly wish the building had an automatic entrance.

When holding the door open forces someone to run
STACKY / Psychology
One discovery leads to another.

Keep exploring facts in this topic.

Psychology →
STACKY FOR IPHONE

A bigger world.
One discovery
at a time.

Keep discovering with Stacky. Interesting facts in an app that is always within reach.

Download on the App Store
ONE MORE DISCOVERY?

Keep exploring

All in this topic →
StackyMore discoveries in the app
Download on the App Store