Like all fads and forms, including this one, there will be variation in popularity. Trick is staying cool. (Vinyl anyone?)  That being said, the world and particularly the west has been so poorly managed and is unfortunately corrupt. (More public servants up on charges everyday) Disposable income is non-existent when hamburger is $6 a pound. (on sale).

Right now. the market will rest on products that add on, to items customers already have, as well innovative products and tools. Prices should drop at least 30% across the board as well.