According to a website called, appropriately enough, pissedconsumer.com, CenturyLink isn't making many friends lately. Of course, annonymous statements have to be taken with a grain of salt, but here's a tip: when people make basic grammar and spelling mistakes, it's often due to anger.
"After being lied to twice about their service and the price. I cancelled service before it was set up only to be billed for their mistake. I received absolutely no service from them, yet have been turned in for debt collection because of their mistake."
Also, from the 'Broadand Expert' web-site:
BroadbandExpert users don't care for CenturyLink
CenturyLink High Speed Internet Reviews show below-average performance: users complain of low peak-hours speed.