Just as an example of

Just as an example of what I was just talking about, my esteemed colleague Curt has just had a cable modem installed by NTL. To activate the service, you phone them with the MAC address from the cable modem. He phoned twenty-three different people at NTL, on different numbers, each of whom gave him the next one in the firm belief that they were the people he needed to be talking to. Twenty three.