There are all kinds of service that automate offering leads. Even Google Adwords has their own leads-generation form where customers input their own data.
Customer service can be automated with all kinds of tools. The first one is having a great website, the second can be using OwlReply to automate your emails.
Every business should have good ways to follow up with their customers after service. This can be as simple as automatically sending past customers a survey about your service.
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