However, they broke away from the Congolese army in April, complaining they weren't being promoted as promised and because of a lack of pay and poor conditions.

CNN: African leaders sign Congo peace deal

It is now a relationship that is changing, because we have, as the President promised, ended the war responsibly in Iraq.

WHITEHOUSE: Press Briefing

Companies that get into trouble providing what they have promised have an incentive to hide problems, as G4S did, because they fear forfeiting payment if they admit they are struggling.

ECONOMIST: Outsourcing

In each of these cases, because the companies so overpromised what they would accomplish, any gains they actually achieved were dismissed as less than promised.

FORBES: Hype Kills: Will Facebook's Troubled IPO Hurt The Brand?