Media Zoom Design now offers lead regeneration. The concept is simple, many companies collect leads over time that may not call you back or reply to your emails. You eventually mark those leads as dead and stop chasing after them. This is an important part of prioritising your time towards projects that have a higher chance of resulting in a sale and is very common.
But you may be missing out on some of the cheapest ways of gaining business (people you already reached out to!)