Not the brightest crayon in the box

A temp that works with me yesterday asked where she could buy climbing gear for her boyfriend and i told her REI...

She the asked how to spell it and i said "it's just the letters R..E..I"

She replied with, "yeah i get that, but how do you spell that?"

In my head i was thinking, "no I don't think that you do get it..." We went in circles for a few rounds until finally I had to write it down for her and show her the website.

Needless to say, she's not the brightest