Safety Not Guaranteed put Colin Trevorrow on the map and the time travel comedy holds up beautifully on the tenth anniversary. The time travel ad was originally published back in 1997 in Backwoods Home and written by Senior Editor John Silveira. Silveira got over 1000 responses and they were still coming well into the film’s home entertainment release. I’m sure he is probably getting responses today. Wanted: Somebody to go back in time with me.…"Safety Not Guaranteed Marks 10th Anniversary"