This surprises me. Twitter is number 1 with 65% of the world’s top 100 companies having accounts? (Note that in businessland, “top” always means biggest in money measured one way or the other.) While it’s clear that we’re only looking at the quantity of users, not the quality of their use, it just seems as if most large corporations outside the world of consumer goods and services are not active in social media. Perhaps a new social norm is emerging in corporate boardrooms where it’s embarrassing to admit you are not using social media….