It will be open source, end to end encrypted using Signal’s double ratchet encryption protocol, and he plans to make it easy for fediverse platforms to integrate it. The beta will release later this month.
He’s also the creator of https://fedidb.org btw
I get the graphs, too. Kind of reminds me of the sites I’d use to monitor COVID infections a couple of years ago. Maybe the earlier poster tried to load the site during a server outage (or maybe their own Internet connection had a hiccup.)