It includes a scheduling and tracking method, as well as additional workouts from P90X and P90X2 creator, Tony Horton.

FORBES: Tony Horton Offers A Preview Of P90X2

Setting up a simple method for tracking your gross margin will help you catch a margin drop before things get gross.

FORBES: There Is Nothing Gross About Profit

Working out where on the hybrid's chromosomes the genes for apomixis are located was much trickier, because the traditional method of tracking genes down relies on watching them being swapped around during sexual reproduction.

ECONOMIST: Genetic engineering

The simplest method of tracking this incidence is to look at, as in the IFS report, the incidence of Stamp Duty and then to add what we have been told by the European Commission.

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There's also another source that has been tracking the performance of the Zweig method.

FORBES: Making Hay With Marty Zweig

Starting in January 2011, Sodexo began tracking all the investment options in the plan using the unit value method.

FORBES: Sodexo's Twisted 401(k)