One uses embedded hardware in the form of a near-field communications chip (NFC) within smartphones, which requires an NFC-enabled merchant device to handle the transaction.
Engineers working in thefield of pervasive computing are aiming to create smart fabrics, embedded with computer chips and sensors that will enhance and possibly even save our lives.
But Twitter is testing a home field advantage for Vine, so when you expand a tweet with a Vine video embedded, the media does auto-play, but with the sound defaulted to mute.