Furthermore, can the boys be charged for receipt of something they did not have the option to reject? I don't know about you, but I don't have a choice to reject an SMS on my phone, it just accepts it no matter what.
In this case, there will be a log of when the SMS / pic was received, so any duration of retention would be tacit acceptance. If you didn't want it, you delete it.
Furthermore, can the boys be charged for receipt of something they did not have the option to reject? I don't know about you, but I don't have a choice to reject an SMS on my phone, it just accepts it no matter what.
In this case, there will be a log of when the SMS / pic was received, so any duration of retention would be tacit acceptance. If you didn't want it, you delete it.