The E-learning Lab's Workshop on e-Learning Tools is about Elgg from point 9 onwards, but also encompasses Technorati, tagging and more. It's very clearly presented and may be worth a look as an introductory resource.
As more people look to AI to learn about the world, the people who control how it's trained and how it responds will control our prevailing narratives. That's wildly dangerous.
Forget San Francisco - I wish every single US city would do this. We're too car-dependent, too isolated, too unhealthy. (Honestly, European mixed-use development should be the model.)
We have to decide which story we believe in.
Why effective opposition requires more than just saying no