focus separation is a kind of advertising mode that divides and classifies the advertising audience and uses digital technology to disseminate information directly to the target audience. focusing, it has become a trend, that is, the audience of the mass communication.
focus separation is a kind of advertising mode that divides and classifies the advertising audience and uses digital technology to disseminate information directly to the target audience. focusing, it has become a trend, that is, the audience of the mass communication.