Lately, I've been thinking a lot about what motivates people to learn. This happened to take center stage in my thoughts for several reasons during the last week. One of these reasons has to do with this blog. I've noticed that some people have blogs that include a thumbnail picture when you share them on Twitter. Some do not. I wanted my blog to include a thumbnail picture when I shared it. I assumed this would be an easy thing to accomplish. A simple Google search, check a checkbox somewhere... Easy peasy, right? It was not easy. First of all, I realized I didn't really even know how to search for this. It took a while before I even used the term "thumbnail." It was this term I had learned at some point in my life, but I hadn't really used it in a while. Once I knew that was the goal, I was able to search more effectively. I eventually stumbled (hours later) onto the term "Twitter Card." It took me several blog posts, multiple scripts tha...