I am very excited about the @mobilizon project. Events is the one thing really keeping me on Facebook at all and SO many groups rely on it for events.
It already met its first milestone - you can donate to help it meet the second milestone - https://joinmobilizon.org/en/
Also, they're working with #ux designers from the outset. Plus it's being funded and developed by a nonprofit.
An all around great example of building the #DigitalCommons
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