If you are interested in thinking more deeply about what "Free vs. Paid" means, and what it means for Bitcoin, take a listen to this Podcast https://soundcloud.com/techdirt/is-free-bad
If you are interested in thinking more deeply about what "Free vs. Paid" means, and what it means for Bitcoin, take a listen to this Podcast https://soundcloud.com/techdirt/is-free-bad