Fortuitous membership - yeah righ, more like profitable membership ...
"Participation is fortuitous for Microsoft, given XBRL features in its Office products. Membership is dominated by financial services representatives."
Yeah right.
More likely they're going to try to add "custom work-saving extensions" (which obviously won't be documented and/or inoperable) to weasel their dominant position into yet another product market.
The worst part of course is, nobody even cares ...
Biting the hand that feeds IT
