Lens flares. And star filters! glass blocks! selective focus! cross processing! HDR! compositing! solarization! pinhole! polaroid! turbofilter! Instagram! Kodachrome! spot color! soft light! hard light! ring flash! desaturate! oversharpen! vaseline! double exposure! tilt shift! neon grid backgrounds! mooooooootion!
We love something until it's everywhere, then we decide it's passé. It's never really the fault of the thing, just our voracious capriciousness.