The Congressional Cemetery in Washington DC is the first cemetery where you can scan the QR codes on tombstones with your I-phone and it takes you immediately to the wikipedia article about the person buried there. (Now even the ghosts are bar-coded!)
The Congressional Cemetery in Washington DC is the first cemetery where you can scan the QR codes on tombstones with your I-phone and it takes you immediately to the wikipedia article about the person buried there. (Now even the ghosts are bar-coded!)