Reading a contract from the phone company or a bill from an Internet service provider (ISP) can cause experienced techies to shake their heads in confusion and frustration. Even by the standards of the technology sector, telecommunications professionals use a lot of acronyms and jargon. Moreover, the technology, terminology, services and prices all change frequently. Our intent is to introduce a few concepts that stay relatively stable and consistent. We’ll also be suggesting some criteria that you can use the next time you’re shopping for high-speed data lines.