A generous and well-crafted set of icons that will undoubtably come in handy. Thank your friends at Icondock.
“This free set includes 80 icons of the most popular social media networks on the internet. The icons are designed in 32px and 16px vector format. With the vector format, you can scale the icon to any size to fit with your design or use it in high quality print materials. What you will get from the zip package: 16px, 24px, 32px in PNG format and a vector EPS file.”