Talking Heads Over the recent months and years we've seen many talking heads from the Web and advertising companies telling us that if we want 'free' services and 'apps' on the Web then we're going to have to accept advertising as the price for this. The increasing numbers of users employing various "ad-blockers" in their browsers are portrayed somehow as "evil" and are denying these companies a legitimate source of revenue. They warn users that if you deny this revenue stream then you'll have to pay, they argue. OK, I get it. Running and hosting Web sites doesn't come for free and most Web companies aren't charities; someone has to pay for it. There are many worthy Web sites out there that are run on a shoestring and use advertising as a way of 'keeping the lights on', as it were. However, if they and the advertising companies are wondering why more users are deploying ad-blockers and revenue is flattening out, then...