Short answers, pulled from the story.
Stanley Kubrick acquired the rights to Brian Aldiss's 1969 short story Supertoys Last All Summer Long in the early 1970s. He hired a series of writers including Aldiss, Bob Shaw, Ian Watson and Sara Maitland over the next two decades.
After Kubrick's death in March 1999, Harlan and Christiane Kubrick approached Spielberg to take over the director's position. By November 1999, Spielberg was writing the screenplay based on Ian Watson's 90-page story treatment.
A.I. was shot entirely using sound stages at Warner Bros Studios and the Spruce Goose Dome in Long Beach California with a couple of weeks of shooting on location in Oxbow Regional Park in Oregon. The original start date was the 10th of July 2000 but filming was delayed until August.
David an 11-year-old prototype mecha child capable of experiencing love is given to Henry Swinton and his wife Monica whose son Martin is in suspended animation after contracting a rare disease. After being abandoned by Monica in a forest full of scrap metal and obsolete mechas he decides to find the Blue Fairy in the hope that she will make him a real boy.
A.I. Artificial Intelligence was released on the 29th of June 2001 by Warner Bros Pictures. It received generally positive reviews from critics and grossed $235.9 million against a budget of $90, 100 million.