text: Steve McQueen's drama will play at more than 1,000 locations in the US and Canada from Friday, up from 411 last weekend, according to Variety.
  The memoir on which the film is based has seen a similar boost, jumping more than 300 places in Amazon.com's chart.
  Solomon Northup's book is now in 16th place, having previously been ranked in 326th place before Sunday's ceremony.
  The title charts even higher on this side of the Atlantic, currently occupying third place in the Amazon.co.uk bestsellers' countdown.
  12 Years a Slave was named best picture at this year's Oscars and won additional honours for supporting actress Lupita Nyong'o and screenwriter John Ridley.
  The film has made more than $50 million (Â£27 million) in North America, according to the Box Office Mojo site, and has just been released on DVD and Blu-ray.
  McQueen's film tells of how a free-born black man, played by British actor Chiwetel Ejiofor, is kidnapped and forced into slavery before finally winning his freedom 12 years later.
  Interest in Northup's 19th Century memoir has been revived following the success of the film, with many public high schools adding it to their curricula and reading lists.
  According to Screen Daily, film distributor Lionsgate is also planning to increase the number of screens that Dallas Buyers Club is playing on in the US and Canada.
  The film, about an HIV positive rodeo cowboy who uses illicit means to obtain unlicensed Aids medication, also received three Oscars on Sunday.
  Stars Matthew McConaughey and Jared Leto were named best actor and best supporting actor respectively, while the film received an additional accolade for its make-up and hair styling.
  Meanwhile, the Walt Disney studio has announced that Frozen - winner of this year's best animated feature Oscar - has now made more than $1 billion at the worldwide box office.
  It says the film is now the biggest non-sequel animated film ever released and the second biggest animated film of all time globally, after Toy Story 3.
target: Cinemas in the US are scheduling extra screenings of 12 Years a Slave after it won the best picture Oscar.