Go to My Profile on the left-hand side menu and then click View Profile in the upper right-hand corner. Click on the Piece you would like to share. To the right of the image, select Share and click on the blue buttons to share on Facebook, Twitter, LinkedIn, or by email. A pop up will open where you can include your own wording and post to your social media accounts.
You can also share your Public Profile Page online with your Public Profile link found under Public Settings in My Profile.