4 artificial	intelligence
      2 tech	giants
      1 work	to
      1 White	House
      1 veteran	as
      1 use	and
      1 up	by
      1 under	former
      1 to	study
      1 their	new
      1 the	White
      1 the	use
      1 the	Obama
      1 tapping	the
      1 studying	artificial
      1 study	the
      1 set	up
      1 s	work
      1 research	and
      1 President	Barack
      1 policy	organization
      1 Policy	Artificial
      1 other	tech
      1 organization	set
      1 of	artificial
      1 Obama	veteran
      1 Obama	under
      1 Obama	advising
      1 new	leader
      1 Microsoft	and
      1 leader	An
      1 is	tapping
      1 Intelligence	Tech
      1 intelligence	research
      1 intelligence	are
      1 intelligence	
      1 House	s
      1 Google	Microsoft
      1 giants	studying
      1 giants	is
      1 former	President
      1 Facebook	Google
      1 enlisting	an
      1 effects	of
      1 by	Facebook
      1 Barack	Obama
      1 as	their
      1 are	enlisting
      1 and	policy
      1 and	other
      1 and	effects
      1 an	Obama
      1 An	artificial
      1 advising	the