First the news, then the music industry, now advertising: the digital revolution is bringing down Madison Avenue like no other force has in the history of the Ad Agency. Some estimate that over 160,000 people have lost their jobs in the advertising industry in the past 2 years. I don’t think that’s the recession’s fault. Not completely anyway. The slow down in the economy just accelerated the demise of the old  advertising agency model, but the new ad world looks vastly different than the bloated budgets of the 30-second spot and national media buys. Here’s what I see happening: National spots will fade into individually customized pitch. Interestingly, I sent out a tweet this past weekend that showed my displeasure with the Audi/Jaguar/Porsche dealership in Nashville: A few hours later, I heard from a dealership. It wasn’t from the Audi/Jaguar/Porsche but from the local Cadillac twitter account, Crestgroup: I’m quite…