Last week Huddle announced an intriguing guarantee: The Huddle Adoption Guarantee. According to the company's announcement, it now guarantees 100% user adoption across the enterprise or your money back.

That's a bold promise. We've covered the troubles involved in enterprise 2.0 adoption before. And new social and collaborative technologies are not the only ones to have trouble with adoption. CRM has been notoriously problematic in the enterprise as well.

Is it time for vendors to step-up and offer adoption guarantees?