But pursuing success through profligacy is a risky strategy, particularly as the bets are getting ever bigger and the competition more intense.

ECONOMIST: Hollywood's fading charms

Until top leadership positions are as routinely available to women as they are to men, freezing out the competition will remain a viable survival strategy.

WSJ: The Tyranny of the Queen Bee

Ford Motor on Friday provided a grim outlook for the next couple of years as it unveiled details of an accelerated turnaround strategy in the face of tough global competition and shifting consumer tastes.

FORBES: Ford Deepens Cuts

Unlike the competition, BBRY, in our opinion, lacks a compelling multi-screen device strategy as well as a content ecosystem and cloud strategy.

FORBES: Move up http://i.forbesimg.com t Move down

Plus, a margin umbrella now exists for competition that chooses to undercut your margin model with a more efficient customer acquisition strategy (such as giving the customer the money).

FORBES: The Dangerous Seduction of the Lifetime Value (LTV) Formula

Many investors have been concerned for some time that Groupon's customers are tiring of the deals it offers, and that it is facing more competition from other start-ups and from big firms such as Amazon and Google, who have been copying its strategy.

BBC: Groupon results better than expected