Sony has upped the ante with its two upcoming S1 and S2 tablets. For quick on the heels of the two tablets securing FCC clearance, Sony has embarked on a marketing campaign to garner enthusiasm around the tablets that right now are known by the codenames S1 and S2. Running Android Honeycomb and sporting an interesting form factor hitherto unseen among the tablets running … [Read more...] about Sony S1 and S2 tablets: promo video released