Whatever event happens right now (WhatsApp down? Elections in a country? A TV show running on TV [1]?) go to Twitter and search for it with relevant keywords and you'll find people writing about it.
I wholeheartedly agree. It's great as long as the keyword you're searching for is easily distinguishable. Whenever something happens and I want to find out ahead of the news-cycle it's my go to ...
[1] at least in Germany