HCPP17 Trailer

See the next Hackers Congress HCPP17 in October in Prague ► https://liberate.hcpp.cz Tickets ► https://liberate.hcpp.cz/#tickets HCPP17 newsletter ► https://liberate.hcpp.cz/#newsletter Follow and support us → https://hcpp.cz/#support Youtube playlist HCPP16 → http://bit.ly/playlistHCPP16