Sky Broadband is an internet service provider for Sky Digital customers. As of March 2008 Sky claims to have reached 1.428 million customers, and unbundled 1,179 exchanges, covering 70% of the United Kingdom. In October 2007, Sky reached the 1 million mark in terms of customer numbers, and claim to be adding one new customer every 40 seconds.[citation needed]. From a marketing perspective, Sky Broadband is an example of converged service.