i did see some of that, but not to the extreme that i expected. as is common with objects of this type, it appears to often blink on and off. the groups would then split up into separate teams, armed with a scavenger hunt type questionnaire, and spend 30 minutes or so hunting down their answers, and taking some fun photographs for bonus points. and you combine that with the fact that the federal government does a lot of things really well. "i was pretty nervous coming back the following year, after that long out. a life by request is her first book. 