Imagine working in the noise every day for hours. A former staff wrote the most poignant review and having worked in Pret, exposing the REALITY of that company, I underline every word: 
https://www.youtube.com/watch?v=3cyGdbWfIEg&list=PLAlnT8XcpopZh1CDoZPM3h3-l_9v9unFS&index=15