Each Open App, Mouse Click & Keyboard Hit During 2.5 Years - information aesthetics
Original: Every Day of my Life by digital artist Marcin Ignac.
Infosthetics summarizes:
Each horizontal line represents a single day, while each block stands for a specific use of the computer, such as the color of the most foreground app running at a given moment, a mouse click (red poster), or a keyboard hit (yellow poster). Accordingly, black areas are those periods when the computer is turned off.