The Dream Nexus ported an experimental brainwave receiver, developed by a quasi-national U.S. security thinktank, to current 3D printing technology. Soon I was sleeping with the apparatus attached to my temples.
Some decades ago, neuroscientists discovered that the moment of nowness is actually a composite of everything we've experienced in the past fifteen seconds. Naturally, somebody decided to hack this. Thus were born the now-tweakers.