AI, human judgement and customer experience, from a former DJ who started out on the phones. Every Friday, my brother and I would head down to our local record shop to check out the latest tunes. This was still the era of vinyl. CDs were the new kid on the block, and we weren't quite ready for them yet. We'd spend hours going through the crates, pulling out 12-inch records and dropping them onto a pair of Technics 1210s. Corded headphones on. Every pop, every crackle, every hiss between the tracks. We had a habit too. If we heard a…