23 Smart Designs of Ordinary Things That Left Us Amazed and Grateful

All of this are not new. That shopping troly suprised me because at 5 y/o I already know that most troly have magnetic wheel to make it stuck at escalator. I am now 24

Idea #18 is my favorite! I don't like talking to assistants, and most of the times they are way too clingy, it makes me feel uncomfortable

#12 looks more like a design fail to me, rather than something smart...

I want this flash drive, what a great idea! :)