The Best Three Dollars I Have Ever Spent

NFC tags can be used to send a simple text message of where you are in an office. Some NFC techs work better than others like the stickers do they still work as well as any other NFC tag? I don't know I'm worth it it seems like they might not and that's what I'm trying, he says. "This may be the best three dollars I have ever spent or at least a long while"