Futuristic technology took the stage on the second day of F8, Facebook's annual developer conference in Silicon Valley.

Why it matters: Facebook has been working on Internet connectivity tech and AI for years, but its new interests in technology for reading brain waves and mixed reality that barely exist today shows that it wants to compete with companies like Google when it comes to tech "moonshots."

The big news:

  • Facebook wants you to wear AR glasses: Oculus chief scientist Michael Abrash described a future in which we all wear glasses that mix augmented and virtual reality. But we're still at least five years away from augmented reality's "MacIntosh" moment—meaning when it becomes a mainstream technology.
  • Facebook wants you to type with your mind: Facebook's secretive Building 8 unit, led by former DARPA director and Google executive Regina Dugan, unveiled two of its projects. One aims to let people type using their brain waves, and the other is working on letting them hear and detect language through their skin.
  • Other new tech: Facebook execs also discussed new improvements and projects in the areas of 360-video cameras, internet connectivity, and artificial intelligence.

Catch up on Day 1 of F8 here.

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Trump pushes back on changes to upcoming presidential debates

Photo: Jim Watson, Saul Loeb/AFP via Getty Images

President Trump suggested Thursday that he'll resist any moves that could cut off candidates' microphones in the next debate if he continues to talk over his opponent and the moderator.

  • "Why would I allow the Debate Commission to change the rules for the second and third Debates when I easily won last time?" he tweeted.

The big picture: White House and campaign officials insist Trump is still committed to two remaining debates, despite fallout from Tuesday including poor reviews and discussions of new guardrails.