n're's nick thompson. ne reporter: amazon's choice of new york and the d.c. suburb of arlington, virginia, had been a poorly kept secret. but with today's official announcement, the retail giant n tailed what the two cities ,0t: $5 billion in investments and 50,000 jobs, each earning an average of $150,000 a year. jay carney is amazon's senior vice president. >> we need a lot of tech employees, software developers, computer scientists, tech hgineers, and both cities have available talent locally. en reporter: the news ended a grand, 14-month marketing campaign that inspired 238 cities to go to enormous lengths to win the prize, some of it bordering on the absurd. the mayor of kansas city, missouri, wrote 1,000 amazon product reviews and posted a lfdeo of himself doing it. but amazon may be the biggest winner, getting more than $2 billion in tax giveaways, as well as a massive amount of marketing data that the 20 finalists handed over, all of which gives the online retail giant a leg up on its marketing, icipping, and logistics decisions. the cities clearly be