In the pre-Internet dark ages, professional critics reviewed restaurants, theater, books and movies. These reviews were primarily in newspapers, which were here today and birdcage liner tomorrow. Fast-forward to 2011. Consumers can go online and instantly read reviews of professionals from doctors to teachers. Hotels and airlines are reviewed all over the Web, and now service providers like plumbers, painters and, yes, portable restroom operators, are subject to review.
These reviews of local service businesses are not written by professional reviewers, but by everyday customers. They are sometimes available to read years after they were written. And they can be a
