It's actually going to send super funny text messages to use their phone number to see how many responses they can get.

This is a fun clip in the 'Impressive Joker' show.

Impractical Jokers - Please Text Back (Challenge)

These people think that they have signed up to win $ 100 gift cards in these malls by submitting their cell phone number.

Source video and images -https://www.sunnyskyz.com/happy-videos/7245/They-Send-Awkward-Text-Messages-To-Strangers-At-The-Mall-Just-To-See-If-They-039-ll-Respond