That impact will come later because advertising media can be very influential towards the consumers. Especially with children who lack the judgment to discern evil-d of the substance that came with the media.
The impact will be followed later because advertising has a huge influence on consumers. Especially to children who lack a critical distinction - of the substance with the media.
The consequences later because of advertising have great influence to the consumers. Especially with the child's lack of discretion to distinguish a good source of substances with the media.