http://www.cvent.com/Surveys/Questions/SurveyMain.aspx?r=8d2604f0-b70d-457f-919b-fcc2c37a0a02&ma=0
You have to submit a engineering, design, or otherwise geek-culture joke
Starting on Wednesday, March 26, 2014, one PS4 winner will be announced each business day from the entries submitted during the promotion’s previous day of business (i.e. one PS4 winner will be announced on March 26, 2014 from the entries submitted on March 25, 2014; one PS4 winner will be announced on March 27, 2014 from the entries submitted on March 26, 2014; and so on until the last PS4 winner is announced on April 1, 2014 from the entries submitted on March 31,2014). All entries from Saturday, March 29, 2014 and Sunday, March 30, 2014 will be entered into the drawing for the PS4 giveaway on Monday, March 31, 2014, along with the entries from Friday, March 28, 2014.