'Facebook is a surveillance engine'

"You know about the two rules right for interviewing Richard?" a volunteer asks before leading us to meetRichard Stallman, the man who fights for free software day in and out. One, don't use the term Open Source to mean free software.Two, don't say Linux but say GNU/Linux. Dr Stallman, who started the Free Software Foundation in 1985 to promote freedom to create, share and modify software,