I had the joy of speaking on the popular plugin Jetpack this past year at WordCamp Chicago. Jetpack is one of my favorite plugins behind iThemes Security. I use it on all of my sites. I know it gets flack about being a large plugin and it slows down sites but I have not seen a noticable difference in my websites when I test it being off. Earlier I did write a review on the plugin and dug into its features. You can find more of the review by clicking here. Jetpack is a great multifunction plugin. Plus if you are near Chicago in June or care to travel the WordCamp is a great experience.
Here are my slides from WordCamp Chicago 2014
And for your viewing pleasure: Here is the WordPress.tv recording of my Intro to Jetpack talk at WordCamp Chicago 2014