They used Kickstarter to do it. As part of their incentives, they made two promises to the community.
- They would donate half their profits back to deserving open source projects.
- They would release all the rights to every magazine to the Creative Commons (CC) license after it was nine months old. That means after nine months each issue becomes free for anyone and everyone to download and distribute.
http://www.lawfulpath.com/ref/Linux-Voice-Issue-001.pdf
If you like it and want to read more, you can visit their own website at:
http://www.linuxvoice.com