You can use Jitterbug and Racer, these two platforms are quite good, the use of big data to add tags, according to your interests and products to find the right crowd, the specific operation is to shoot your product into a small video, adhere to the hair, accumulation of fans, you have to consistently add this age group of people, you go to pay attention to them, and then the system will be matched to you in this age group, accumulating dozens of forty-plus After the fans basically have a label, the continued sending of short videos will have an effect.
There are a lot of people in their 40s in the same city, so look for them in the same city and keep following them, and they will follow you, and the system will add tags to you and categorize you, and it will get easier and easier when you do it right.
Hope to help you, hope to adopt, have questions can come to ask.