Hey regular followers! Hope you are having a good day. Sorry I haven't been posting daily, as I should be. Thanks for putting up with me. You are too kind. And since I missed yesterday's post, I will be posting 2 photos today. It's double the fun! Anyways, today's thingamajig is a very common item. Everyone should know what it is. You may have one in front of you, as you read this. It is a small item, about the size of a playing card. What is it?