This plugin adds extra bits an pieces to WordPress Jetpack

Previous called “Jetpack Extras” renamed at request of Jetpack Team to “Custom Tweaks for Jetpack”

Which includes the following additions:

• Ability to control button placement, above, below, or both of the post content, with separate options for the archive page and content display page

• Twitter Button added Related (username/optional description format)

• Adds the ability to make the Twitter button share the WP.me url, if that JetPack module in use, As suggested by SkipTweets on Twitter

Currently removed is:

• Ability to turn on/off the DNT Twitter button mode – it is difficult to add without editing chunks of the core