[parasubvert]

And I know hundreds.

Twitter is so common in tech industry circles - so many announcements , debates, and moments happen there weekly that I would think it's essential if you care about that stuff.

Truth is there is no canonical place to get the pulse of what's going on in the tech world: each of Reddit, HN, Twitter, or various aggregation sites have their filter and regulars. But Twitter seems to have the widest net.