Social media presence, videos of speeches:

Youtube channel of  Ven. Dhammananda (most videos in English): Dhammananda Bhikkhuni 
Youtube channel of  the Monastery (some videos available in English): Songdhammakalyani Bhikkhuni Arama 
TED speech: Ven. Dhammananda on Empowering Our Potentiality – speech at TEDxDoiSuthep, Oct 8, 2011: https://www.youtube.com/watch?v=U0jH8-hPwg0 
Facebook (Thai language only): 
Songdhammakalyani monastery:  https://www.facebook.com/songdhammakalyani.monastery?fref=ts 
Thai Bhikkhunis:  https://www.facebook.com/thai.bhikkhunis?fref=ts