When was the last time you went to Wal-Mart or CVS to print out a photo of your mother? Even, of yourself?With the popularity of Instagram and Twitter, we seem to feel safe with only electronically posting our photos for our "friends" and "followers" to see, but not for our family records.But what will happen when, or if, social media platforms disappear like thieves in the night? Who will we be to our grandkids?