If we want to collect a very good database over those people who are in need to our product, we need advertisement at the first stage. A friend was asking: “Do you know why advertisement never adds? Because our kids are in the cue to have better life experience!” He added.
That is why, without any doubt, you need to pass through life cycle curve for any new product and keep advertising as long as it sells!
One more thing is AI needs good dataset. In fact, you cannot grow a market quickly and successfully unless you have strong datasets. That is why the startups are a good place to collect money for Advertising Agents and Advertising Companies.

A medical instrument, has its special method to attract trust. IT is different with a shirt business or a drink business. You need specialist advertisers. He/She knows what sort of certificates to be resented in your TV or media advertisement to bring you more dollar. Many a good products that bankrupted their owner, due to lack of specialist advertisers.

Some of Our Army of Advertisers are:
Clinics who offer our product to their clients,
Our Media Advertisers,
End-users with word of mouth power.

All and all, they create job for the society.