I spent 3 hours on Parler. Here's what I learned.

The new Mercer-funded "free speech social network" is no friend of the planet's, but Facebook and Twitter are still far bigger threats.

Is Parler the most disinformation-laden social network on the internet? Only time will tell, but it won’t be mine. I spent three hours yesterday browsing the rapidly growing “free speech platform” for conservatives, trying to figure out if it was becoming a source for unhinged climate denial. It wasn’t a very long time, but it was enough to figure out I…