10 Things You Don't Know the Purpose<br /><br />Here are 10 everyday things you didn't know the purpose of. A lot of little things in products and items we use in our daily life, we don't quite pay attention to and hence don't know the use for. But these things are present for a reason and not for any random design. <br />For instance, do you know why there's a small hole in the airplane window, or have you ever observed The Hole in a Soda Pop Tab? If your answer is NO, then get ready to know the use of these 10 everyday things.
