I have established Google+ and Twitter pages for the GNU Toolchain (GCC, Binutils, GDB) as additional, un-official communication channels for announcements and highlights of interesting mailing list discussions.
https://plus.google.com/108467477471815191158 https://twitter.com/gnutools Anyone interested is welcome to follow. - David P.S. If you are concerned that these social networks and pages interfere with your freedom, you can ignore them.