How to Optimize Photos for Facebook in Lightroom and Photoshop

Have you over hared that you may need to optimize photos for Facebook? What does that even mean? And do you need to do it?After spending hours, or even days working on a photo, making sure it is absolutely perfect before sharing it with the world. You upload it to Facebook knowing all of your friends will be paralyzed with astonishment by the amazing work of art you are about to bestow on them. You hit post, and... Your photo shows up pixellated and maybe even has a puckish green tent to it. Terrible, it looks TERRIBLE! Sound familiar?