Web summit
Web Summit is an internet technology conference held annually since 2009 and its visitors range from Fortune 500 companies to tech start-ups. The first five events were held in Dublin, Ireland but in 2016 the organizers decided to change the venue and now the home of the annual Web Summit is Lisbon, Portugal.
Web Summit offers many speakers who are experts on their particular topics. Design, Artificial Intelligence, Technologies, Industry, Future Societies, etc.
Some of the speeches are also available on YouTube.