I have a new post at Techdirt that is both a look back at just about everything I've written about Section 230 since its 20th birthday, and a crash course in how it works and why we need it.

On Section 230’s 30th Birthday, A Look Back At Why It’s Such A Good Law And Why Messing With It Would Be Bad
This past weekend Section 230 turned 30 years old. In those 30 years it has proven to be a marvelous yet misunderstood law, often gravely, as too many, including in Congress and the courts, mistake…