THIS IS A CRITICAL TIP FOR ALL NEW LIGHTROOM USERS.
With all the changes in the photo editing software world. I know a lot of people are just moving to Adobe Lightroom. I love Lightroom and use it every day. It is a fantastic tool for editing as well as organizing and printing your library of images, but there is a danger for new users. If you don't understand how it's catalog-driven (aka database) system works, you can inadvertently make a mistake that causes frustration and lost time down the road. I've seen it happen multiple times. In this short screencast video I'll show you how to avoid it.