Here are some simple ways to help your reader interact with you or share your work with others. I show you some plugins I use and why they work.
The examples apply to both WordPress.com and externally hosted WordPress sites so this should be watched by all WordPress users. However do note that the way in which the plugins are installed only applies to externally hosted WordPress sites (eg: on Bluehost). Doing it on the free wordpress.com is external and more complicated than the way shown here, and not all plugins are available for that platform.
View the tutorial here: Plugins