While the freestyle swimming technique actually refers to any unregulated swim stroke during the course of competition, many people use this term as a substitute for the front crawl since it's the most widely used freestyle stroke.
In the United States, the herbal products market is still wide open, with herbal production largely unregulated and many supplements mixing herbs, food extracts, vitamins and minerals into remedy-like potions.
Unfortunately, sunglass standards and labeling are voluntary and unregulated, so look for replicas that have the style you like and also provide information about their UV protection and materials.
A modern example of how unregulated industry creates pollution can be seen in the industrialization of China, that's moved into the number one slot as the world's most polluting country.
This is very impressive considering that the skin care industry is generally unregulated, allowing manufacturers to use all kinds of nasty ingredients without consumers' knowledge.