21. If you have one of the newer versions of the iPhone, pick it up… it’s time to inspect. You know that small black hole between the lens and the flash of the camera? That’s actually a microphone and it helps improve the quality of your video audios and FaceTime.
22. The little round buttons found on the plastic lids of drinks actually help the workers distinguish between drink orders. It can get really useful during rush hour at fast food stops. The last thing you want is to wait a long line for a burger and your favorite soda, only to get someone else’s drink handed to you.
23. The long neck of beer bottles has become a signature design. However, it wasn’t initially created for its “cool” look. It was actually created because to allow the drinker a better grasp on the bottle as well as to minimize the transfer of heat from the drinker’s hand to the cold bottle content.
24. The different
25. The little loop that is on the back of most of your shirts is there for a couple of reasons. Firstly, and probably the most obvious, is to hang your shirt on a hanger. In the past, men would also cut this loop off of the back of their shirts if they began dating a girl to signal that they were in a relationship.