Workshare surveyed firms around the world and found that, on average, 31% of documents contained legally sensitive information but in many firms up to three-quarters fell in to the high risk category.

BBC: NEWS | Technology | Warning over Microsoft Word files

Most offers are in the discretionary category and services that are at the low end of the consumer list that are economically sensitive like club memberships and cruises rather than everyday items like dental paste and laundry detergents.

FORBES: Groupon's Advantage