What I like about this plugin. Comes with enough share link styles to match almost any theme. They'll build buttons to match the color scheme of your theme for a song. Share buttons keep me from having to do anal acrobatics to get different service buttons to align correctly.
Position where you want them, or where you don't want them. Top of page/post, bottom of page/post or both with a simple check box in the settings tab. Manuallly place the buttons around the page with a short code.
I don't always write reviews for plugins on WordPress.org. But when I do, it's for this plugin.