Nice vs. Kind

We got an email at work that encouraged us to be kind. That's a positive admonishment, but it reminded me that in the past I have confused kindness and niceness. I googled and found a post from The Caring Techie Newsletter. The Caring Techie points out that while the terms are used interchangeably, but they don't mean the same thing.  They have different underlying motivations and long-term effects. She has a very nice venn diagram: