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/)