Collision, one of the world's largest tech conferences, is hosted online in 2021 and features talks from Google, Twitter and Youtube representatives.

Speakers explore a variety of topics ranging from data science, vehicle technology and environmental sustainability. The conference, which is attended by more than 40,000 people from over 100 countries, also aims to be a platform to promote networking and lead generation.

Collision conference 2021 takes place online from 20 to 22 April.