In no real particular order:

Google+
Miitomo
Stargate
My dogs (Leia & Dax & Ezri)
My ex’s dogs (ChaCha & Elvis)
A fully intact body

There were a lot of good-byes in this last decade. A lot of loss. I think the only truly good thing to come out of it, personally, was Brent. I hope he and I have a happier 2020s.