For example, we want to differentiate people who followed our daily product email blast. I could use the product ID for utm_content, but it would be easier to read to use the SEO friendly URL path, such as: http://www.oursite.com/products/really-great-new-product

https://www.frugg.com/? utm_source=a&utm_medium=b& utm_term=c& utm_content=Can-I-use-a-really-long-content-tag-like-this-one-or-is-this-going-to-break-something& utm_campaign=d