BSD talks in JRSL, looking for topics

[Sdävtaker]

Hello,
Im from bug.dc.uba.ar. next month we will have JRSL (free software
regional event) here in Argentina, we can get a space to talk about
BSD, the event will have 2 publics, newbies and experienced users.
I wondering what to talk about. I guess we can talk about PF for
experienced users, but what would be a nice topic for newbie public?
Licenses comparizon?
Thanks for any suggestions.
Sdav

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Sdävtaker prays to Rikku goddess for a good treasure.