У вашего броузера проблема в совместимости с HTML5
Why use other chat clients when you can use something that respects your privacy? https://tox.chat
SOURCES:
https://discordapp.com/tos
http://www.slate.com/blogs/future_tense/2012/07/20/skype_won_t_comment_on_whether_it_can_now_eavesdrop_on_conversations_.html
http://www.slate.com/blogs/future_tense/2012/11/09/skype_gave_data_on_a_teen_wikileaks_supporter_to_a_private_company_without.html
http://www.washingtonpost.com/business/economy/skype-makes-chats-and-user-data-more-available-to-police/2012/07/25/gJQAobI39W_story.html
http://fossforce.com/2013/05/microsoft-snoops-in-skype-dissed-by-hp-more/