> It sounds more like the industry will grow to the maximum that the economy can sustain, and no further. Fair point. I would argue that as long as (1) globali

> It sounds more like the industry will grow to the maximum that the economy can sustain, and no further. Fair point. I would argue that as long as (1) globalization exists (2) the population increases, it can sustain growth. In other words as long as the number of eyeballs increases so too will the people try to farm them up. > Every time a new communications system is developed, the market will shift -- and we have so many systems now that the market is just catching up to all the ways we have to advertise. Regardless of communication medium, in theory it doesn't mean the market spends any more or less on advertising. The goal is all the same, grab attention and convert to buyer. So I'm not sure what you mean by "the market will shift".