Imagine only having one landline in your house before the era of cell phones: You have to use that one line to go on the internet, so if anyone calls you they g

Imagine only having one landline in your house before the era of cell phones: You have to use that one line to go on the internet, so if anyone calls you they get a busy signal. Yes if you were a geek you'd get that extra phone line like I did, but most normal people didn't do that. Having a 24/7 live net connection changes everything.