There are plenty of products on the market for consumers to chose from. Most of the time they evolve based on the needs of society. When there is a trend taking place then you will see many different products emerge that can meet the new need people have. Some of them have been around for many years but people just don't notice them. They aren't recognized until there is a significant need for them. Older products may change how they advertise and even change the name of the product in order to get a facelift in the public eye.
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