Visit a site such as wikipedia or medium and hit the ‘random’ button.
Read the article, and spend 15 minutes exploring the themes and links it provides.
Follow the rabbit hole as far as it takes you.
If you hit a dead end, hit another random link.
There are so many ‘recommendations’ and ‘filters’ that finding something truly random is becoming increasingly hard, especially online.
Every article which ‘you might like’ removes the aspect of randomness that could help you discover a new point of view or fresh point of insight.
Forcing yourself to explore randomness, or discover tools to help use randomness can help you develop your curiosity, and over time, you’ll find yourself more able to use randomness effectively.