They make the kind of comments you would expect to find on any talk board, and which would normally be forgotten within 15 minutes.
他们的种种评论就和任何其他网络谈论区里的评论一样（口无遮拦），可说完不到15分钟也就置之脑后了。
3
This time a new set of participants, who were university students, were asked if they would be willing to walk around their campus for 30 minutes wearing a sandwich board saying: "Eat at Joe's".