The Kaizo Advocacy Index is a bi-annual audit that examines brands' online reputations by emulating how consumers search for brands online. The Winter 2011 audit found that Waitrose had the highest score among supermarkets, while Virgin Atlantic scored higher than other airlines like British Airways. In the mobile sector, Vodafone and O2 scored well while T-Mobile and Orange struggled after merging. Among cereals, healthier options like Weetabix and Shredded Wheat saw positive buzz. PC brands benefited from increased enthusiasm around tablets. The full report is available online.