Besides the discussion about the GDPR which is offtopic (and in my opinion it's not handy to be openly political if you want uptake of your product as it's not

Besides the discussion about the GDPR which is offtopic (and in my opinion it's not handy to be openly political if you want uptake of your product as it's not related to your product but it does taint it (as can be seen here); maybe in the 'about' or 'privacy' it would fit, but that is a matter of opinion), great work on Klong and I'll buy your book to read over xmas. I have been playing (quite a lot; to the extend my wife got me a t-shirt with some k on it for my birthday :) with Shakti(k7) for a few months now and been working through the Dyalog tutorials. Keep up (that part) of the good work! Edit: bought the book and started reading