@YTCreators @YouTube had a message of you regarding sharing links, and that it will no longer be available unless through direct sharing via the site, so what happens if I want to include links on word documents, PDF's etc, something I do to promote my work? !!
This update is related to sharing YT activity on social networks – after January 31st, the ability to automatically post your YT Activity on Twitter and Google+ will no longer be available. Here's an announcement with screenshots to help clarify further: https://goo.gl/mEZwYg