An active customer is one who has already identified, connected with, and explored the product or service.
Recommendations and content you might be interested in
I would say by reading their body language and based on the recommendation of someone who has previously obtained or enjoyed my services or products.
In the person interested in the product or brand and its difficulty to obtain it
Is anyone doing setup?
Hi @Beatriz1 and all,
Welcome to the HubSpot Community! 
Can you please share a bit more about your goals or what you are trying to configure (CRM data, users and permissions, reporting, etc.), please? When we have more information, we’ll be able to help!
In the meantime, here are some resources that are useful:
I hope this helps!
Wishing you a wonderful weekend! 
Bérangère
Yeah, if I do a background check on their info online.
I ask for references from dating sites and try to reach out to them in the most human way possible. It takes time, but stronger bonds are formed.
active interest.
Based on the product, in my case I look for companies that need my product to manufacture their own goods or provide a service. I identify them, then follow them on social media, and finally reach out via email or WhatsApp.
Identifying the client’s actual problems would be one of my actions, as once I have identified them, I can find the solution the client needs.
One way to identify [customers] is to focus on the problem they have and how you can help them with your product
Creating your ideal persona or buyer persona
These days, one of the ways I use to identify my buyers is through social media (TikTok, IG, Facebook, etc.) and Facebook groups.
Monitoring signs of interest, such as questions about pricing or requests for product information.
My ideal way to identify an interested person is through my social media channels, by observing their interaction with the content and paid advertisements.
You can tell by the level of their consulting inquiries: when their questions are more direct and less rushed, you know there is genuine interest.