But that disruption , many people at Stream acknowledge , will be deeply challenging . Mobile is changing the face of advertising but no one is sure what the long - term impact will be . U.S. entrepreneur Jeff Pulver says small screen will disrupt , but not kill the industry . But PR agency director Amy Gershkoff says the industry still does n't get mobile media . Mobile advertisers need to deliver content , not just describe it , says CEO Ester Dyson .
Mobile is changing the face of advertising but no one is sure what the long - term impact will be . U.S. entrepreneur Jeff Pulver says small screen will disrupt , but not kill the industry . But PR agency director Amy Gershkoff says the industry still does n't get mobile media . Mobile advertisers need to deliver content , not just describe it , says CEO Ester Dyson .