Pinterest is an online bulletin board – mostly for collecting images of whatever you want your viewers to see. It is popular to make your own boards, and to look at other people’s ideas. All authors especially should consider making a Pinterest page based on each of their books! It is free to join and easy to use, and you can also post your pins to Twitter. You can post to Twitter as you repin or pin images, or you can post images when you view them. You can tweet images on a pin-by-pin basis rather than potentially overwhelming your…