Number Guessing Game

The computer chooses a number between 0 and 20. The player...


10 Usability Heuristics for Voice User Interface Design

Human needs haven’t changed over the years but what has...


Sorry! I didn’t find lights – Designing for errors

Me: Alexa! Turn on the lights. Alexa: Sorry! I didn't find...


Rock, Paper, Scissors, Lizard, Spock

The challenge is to make the famous game from the Big Bang...