Problem: What 2008 internet start-up company did Twitter buy in 2011 that enables customized use of its microblogging service?
Answer: tweetdeck

Problem: Which common component of antacids and laxatives is a suspension of Magnesium hydroxide in water?
Answer: milk of magnesia

Problem: Which 1963 film starring Shirley Maclaine and Jack Lemmon was about a Paris policeman who falls in love with a prostitute, and becomes her minder?
Answer: irma la douce

Problem: Which chess piece is in the shape of a horse's head?
Answer:
knight