"Nah sir, that's just jitter coming from the cord coming from your XFinity box into your computer. We only support Comcast Certified™ cables such as MONSTER. Our records indicate that your local Best Buy has them on sale for $69.99(1) for a three inch, but we can sell you to them now for 20% off(2) for being such a good customer."

1) Price quoted by support agent may not be the most up to date price for the requested service item. It is often times significantly cheaper than what our data reflects.

2) Discount does not include shipping, processing, transaction, or technical support fees. Our discounted price might also remain significantly more expensive than similar services offered by third parties in your area.

Think on the bright side of things. Maybe web developers will need to clean up their crap and not pile on 20mb of JS.

Nah, comcast would just inject ads in order to subsidize companies that refuse to "pay their own way"