From your communications, they may no longer b architect data interested in what you offer (in terms of content or services). Obviously we should try to limit this eventuality as much as possible, but if it happens, don't despair. Not all leads will convert into customers and not all leads will stay with you forever.
The process of “nourishing” the relationship with the collected leads is called lead nurturing
Lead nurturing is the set of marketing activities that are functional to establishing a relationship with the lead, through different channels, with the aim of reaching a conversion, that is, turning the lead into a customer.
Returning to the image from before Exelab, we can see how after the lead generation there is the nurturing .