This type of advertising is such that you create an advertising post in your channel and we send you this advertising post in different groups, the choice of groups depends on the subject of your channel, for example, a channel that sells accessories There is a makeup that this group should advertise in channels that are mainly addressed to women.
This type of advertising can be considered the best model of advertising in Telegram, because in most cases it has a good return for the channel owner.
There are also other methods, such as pop-up ads, push notification ads, and… in other articles and pages.