Data gathered on US mobile web users in October by tablet publishing and ad provider Onswipe seems to suggest so. Their report found significant differences in social sharing behaviors on various touchscreen devices. About 49% of sharing on 10-inch tablets was conducted via email, compared with 30% on mini tablets. And those on smaller tablets were using Facebook and Twitter at noticeably higher rates than those on a 10-inch tablet. Read the rest at eMarketer.