The trading of contact lists for rogue callers and other unsolicited marketing contact generates 180,000 complaints a year to the ICO (Information Commissioners Office).
They've announced a targeted campaign to 1,000 list brokers in the UK (I hope they didn't buy that list!), with over a million pounds in penalties issued in the last four months alone.
If you are buying data for interruptive marketing, its time to stop.
If you're interested in alternatives, you could look into Inbound Marketing - delivering content that your prospects and customers actually want. There's plenty of free resources to help you go Inbound (here's a good place to start: http://www.babelquest.co.uk/)
"That information has helped us to make some big breakthroughs in the nuisance calls business, alongside the intelligence we build up from elsewhere, from whistleblowers for instance, or from the network providers. "We see clear patterns building up and can identify who would benefit from guidance, and who the truly bad actors are. This enables us to execute search warrants, to drag people before the courts, and to issue fines. We’ve got three fines lined up for this week, and that’ll bring us to a total of a million pounds worth of penalties in this area over the past four months alone. It’s clear we’re getting the job done. By targeting the illegitimate aspects of the list broking business that fuels this industry, we have the chance to truly strike down this monster.”