After three days, a billboard proclaiming "Don't Wal-Mart Bridgeport. Not here!" was removed from the site of a proposed Wal-Mart superstore near Tacoma, Washington. The Bridgeport Way Community Association paid for the message, because "people who travel this way have a right to know what's coming," said one association member.

When it comes to stealthy PR campaigns, the biotech industry has spared no expense. For the past six years, the UK-based public interest group GM Watch has been tracking and documenting biotech's dirty tricks, learning that the PR web reaches further than just GM food.

A university study comparing the amount of bacteria on conventionally-grown and organically-grown produce found that the level of the common bacteria E.