It is always fun to be at Mozilla HQ. A bunch of open source contributors, (a lot of them with beards – a person with pogonophobia might get a panic attack) discussing a new programming language. It was a very interesting meetup with a bunch of talks
* Exportable Macros
* Rust implementation of the Cap’n Proto serialization library
* Testing in Rust

Rust SF is a very active group and I highly recommend it.