The last 10 years or so of tech:
2013: Blockchain! It's a like a database, but slower and worse!
2016: VR! It's like monitors, but slower and worse!
2021: NFTs! It's like pictures, but slower and worse!
2023: AI! It's like algorithms, but slower and worse!
@thomasfuchs Electron apps should be in there, following from the decay of SGML, a system of markup that exclusively focuses on semantics and is totally independent of the device used to display text, to modern Web design, which uses horribly convoluted code to fully determine a "user experience".