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Petra reads the songs

When trying to explain big data Petra Data Sciences founder and managing director Dr Penny Stewart likes to play a music track with a video showing dancing lines following the frequencies in the piece. Then she turns off the sound.

Petra reads the songs Petra reads the songs Petra reads the songs Petra reads the songs Petra reads the songs

Dr Penny Stewart: 'Think of machine learning as a mathematical ear listening to all of your data'

The display continues with those dancing lines looking like the display from a pink noise generator from the 1980s – every stereo worth its salt had to have one back then – but good luck trying to