Also called Wirth's Law, this states that software is getting slower more rapidly than the speed with which hardware is getting quicker. In fact, the speed of software is believed to reduce in half every one and a half years.
Diagrams
Originated from/Coined by
Niklaus Wirth
Further Reading/ References
http://catb.org/jargon/html/G/Gatess-Law.html
https://en.wikipedia.org/wiki/Wirth%27s_law
https://bobcopeland.com/blog/2011/04/wirths-law-avenged/