Who made those calls and why will be very telling.
Remember virtually ALL "facts" in breaking stories are wrong.
From quickly searching around the internet I've divined several things:
1) These LED billboards have been up for weeks in cities all over the country before today.
2) They weren't intended to look like bombs or be hoax bombs.
3) I've not seen a scrap of evidence that the marketing campaign was behind the suspicious package calls - likely there was one call about one, and then once it hit the news, there was a sudden rush of other people who had seen them calling in.
Fox John Gibson interviewed a Time Warner guy....he asked the same question. Why didn't the ad people alert authorities? TW guy didn't know.
These devices were circuit boards. I guess they're all over the country. Are they lit up with the image? I guess I'm just not seeing the point why this is such a great idea....