Number Guessing Game

The computer chooses a number between 0 and 20. The player has to guess the number. For every number that the player guesses, the computer tells the player whether they should go higher or lower to...

10 Usability Heuristics for Voice User Interface Design

Human needs haven’t changed over the years but what has changed is technology and context. Voice interfaces will not free us from the most substantial problems of user interface design...

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

Me: Alexa! Turn on the lights. Alexa: Sorry! I didn't find lights. Me: Hey Google! Turn on the lights. Google: You got it! Turning Smarty on.

Rock, Paper, Scissors, Lizard, Spock

The challenge is to make the famous game from the Big Bang Theory, Rock, Paper, Scissors, Lizard, Spock!