> The Debian installs that used `ntpd` used to default to a pool of Debian NTP servers. It seems to me that would provide a way of determining how many installs

> The Debian installs that used `ntpd` used to default to a pool of Debian NTP servers. It seems to me that would provide a way of determining how many installs were active, at least the ones using the default server It would not be legal for Debian to do this without your informed consent.