Now if you're not  familiar with PPC advertising and how  search marketing works I recommend you  take some time to learn the fundamentals  of digital marketing and search  marketing. For now this  is very crude example to give you an  introduction to the basics so you’re thinking that yoga pants are a good product  to sell –  the demand is really high, the industry is trending. Problem is  everyone sells yoga pants including  Walmart, Target and even Nordstrom's but  what if you sell a variant of yoga pants.