But you have to use a safe method or you could do a lot of damage.

VOA: special.2010.03.31

"There's a lot of method behind the madness, a lot of rationality behind the moves for airlines, " said Ike Anand, Expedia's director of airline strategy.

WSJ: Whatever You Do, Don't Buy an Airline Ticket On ��

There are a lot of reasons to criticize that method and sometimes it is not 100% of gross, but some lesser or in rare cases higher percentage.

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In the couple of decades which have passed, courts have put some limits on business method patents but have allowed a lot of them to remain powerful weapons which motivate companies like AOL and Microsoft to buy and sell.

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