Internet vigilantes are finding that the web is the perfect platform to vent their spleens about companies that they feel have treated them with contempt - and unlike more traditional methods of complaining, it is having real and positive results. As the rescue package was being bashed out last week at a “credit crunch summit” hosted by Gordon Brown, Halifax, Britain’s biggest mortgage lender, announced that it was raising rates on some of its more popular deals by half a percentage point. Aviva, which owns Norwich Union, has been working on a deal to unlock £5 billion in surplus cash from its with-profits fund - its “inherited estate” - for nearly two years. Contact our advertising team for advertising and sponsorship in Times Online, The Times and The Sunday Times. To inquire about a licence to reproduce material from Times Online, The Times or The Sunday Times, click here . read more