<|im_start|>user
What is a modem?<|im_end|>
<|im_start|>assistant
A modem was a device that let computer connect to the internet over a dial-up connection.  This connection is established and hosted through an ISP or Internet Service Provider.  The three most common types of modem connection are dial-up, DSL, or cable.  DSL was a lot faster than dial-up, and cable modem connection was the fastest.<|im_end|>
