In the spirit of Jerry Pournelle, “we read these things so you don’t have to”, I find among 6 (six!) pages of fine print sent to every poor schlub who subscribes to Verizon’s DSL service, the following points of interest:

Section 4.3
Restrictions on Use. The Service is a consumer grade service and is not designed for or intended to be used for any commercial purpose. You may not resell the Service, use it for high volume purposes, or engage in similar activities that constitute such use (commercial or non-commercial). If you subscribe to a Broadband Service, you may connect multiple computers/devices within a single home to your modem and/or router to access the Service, but only through a single Verizon-issued IP address. You also may not exceed the bandwidth usage limitations that Verizon may establish from time to time for the Service, or use the Service to host any type of server. Violation of this section may result in bandwidth restrictions on your Service or suspension or termination of your Service.

Section 10.4
Monitoring of Network Performance by Verizon. Verizon automatically measures and monitors network performance and the performance of your Internet connection and our network. We also will access and record information about your computer and Equipment’s profile and settings and the installation of software we provide. You agree to permit us to access your computer and Equipment and to monitor, adjust and record such data, profiles and settings for the purpose of providing the Service…