Following on the odd discovery, others chimed in with their own interpretations of what the grid might look like, as well as what it could be used for. So the #HomePod probably has a screen like this.

Hoodlums will think twice before smashing Pumpktris, which glows thanks to 125 embedded LED lights, rather than a candle. Set to a Halloween-themed version of the ever infectious Tetris soundtrack ...

Key Stage 4 Additional material: A grid matrix can be represented in a 2-dimensional array. Write a program that allows the user to store a letter in such an array with 8 rows and 8 columns.

Described as a 'bad driver feedback display' the 38 x 16 LED grid will let drivers send a message via Bluetooth from their mobile phone - direct to the driver behind.