They're ideal places to find a new partner. Even people involved in settled relationships thrive on opportunities to meet new friends and see new people. Loneliness matters, and love is terribly important. Even if some members of a household feel free to move to Montana, others may long for the crowds, the bars, the parties, the bright lights. While many services can easily be provided through the Web, medical and other therapeutic services need the presence of the body.
Medicine matters to lots of people.
Again, since people tend to make housing decisions as families, the expected need for convenient medical care for any member of a family may prove compelling for all members of the household. Education tends to be conservative and slow to adopt technology, and so schools will lag the workplace in adopting collaborative technology. Finance People will only move if they can afford to move, and consumer liquidity might well be a significant factor for some part of the next decade. Should demand for urban residential real estate decline dramatically in the next five years, moreover, many people who might wish to move would find themselves unable to find a buyer for their current residence. Even so, it required about 75 years to take hold.