On Tue, 27 Nov 2018, Linux O'Beardly wrote:

>    I don't want to be "that American," so I'm writing to ask: will this
>    conference will be done primarily in English or another language?

it will be entirely in english. Also in Amsterdam you can be reassured
everyone speaks and understands english. the announce contains some
spelling mistakes that may suggest otherwise :^) and that's entirely
my fault to rush it out.

ciao!