Wondering what that thing is? ask on piQ
piQ is a question answer app where you can quickly and easily ask questions with pictures
How it works:
1. You come across an object and you don't know what it is, or how it is used, or why it is there.
2. You open piQ and take a picture of the object
3. Wait a few minutes while others browsing the app sees your question and answer it.
when someone answers your question, you will get a notification. While waiting for your answer you can also answer picture questions asked by other users.