During high school he worked to raise interest in free software and successfully made GNU/Linux and other software like OpenOffice.org available on public computers as well as gained the support of a number of educators.
He has compiled a comprehensive free software activism guide available on LibrePlanet to help individuals and teams work effectively to spread free software.
For years Danny has worked with the Ubuntu community to make it more freedom friendly and bring more people to free software, gaining lots of experience in community organizing. Now he's working to establish a state LibrePlanet team for Massachusetts and encourage the formation of more local groups.
He is also an outspoken free culture supporter, as an extension of the free software movement, and is generally interested in issues concerning the control and distribution of information.