Artificial intelligent assistant

freebie

freebie, a. and n. U.S. colloq.
  (ˈfriːbɪ)
  Also freebee, freeby.
  [Arbitrarily f. free a.]
  A. adj. Free, without charge. B. n. Something that is provided free.

1942 Berrey & van den Bark Amer. Thes. Slang §551/17 Free..free gratis for nothing, freebee, freeby, [etc.]. 1946 Mezzrow & Wolfe Really Blues xiv. 256 It's the brakeman who throws freebie passengers off. Ibid. 373 Freebie, handout, something gratis. 1954 L. Armstrong Satchmo (1955) vi. 81 That meal was a freebie and didn't cost me anything. 1962 E. Lacy Freeloaders iv. 83 She'll write ‘free’ on the slip... They come in for the freebie and end up buying more copies.

Oxford English Dictionary

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