Then caught a panel discussion with Esra'a Al-Shafei and Mahsa Alimardani about data in oppressive regimes, how citizens can operate online when surveillance is routine and dissent is dangerous.
Learned that in Iran the state had taken the source of Telegram (which is used as both messenger and a social network) and set up it's own replacement. And to not use it was a mark of dissent.
Source alone will not change the world, and can sometimes enable repression. Politics and ethics are vital.