Skype on Ubuntu 14.04

sudo dpkg --add-architecture i386
sudo sh -c "echo 'deb http://archive.canonical.com/ trusty partner' >> /etc/apt/sources.list.d/canonical_partner.list"
sudo apt-get update
sudo apt-get install skype
LD_PRELOAD=/usr/lib/i386-linux-gnu/mesa/libGL.so.1 skype