Dygma Sonsei review: a columnar travel keyboard that sits on your laptop

I've been a fan of Dygma's keyboards since their very first Raise keyboard. I have used a Dygma Raise or Raise 2 for the better part of five years now, so when the opportunity came about to try out the Sonsei, I jumped at it. This uniquely portable columnar keyboard surprised me in quite a few ways. But, at the end of the day, I really love this little keyboard, even though there's a big learning curve.