Secure chat systems Optimising back channel interjections into other people’s meetings 2015-02-15 – 2020-05-20
ssh “secure shell”, which is not a shell but is a useful way that we log in to the back-end of things 2014-12-27 – 2020-05-11
Email Doing email better, or better, not doing email at all 2015-01-13 – 2020-04-21
Hardened mobile Trusting the computer that follows you around all day 2015-02-15 – 2019-12-07