RoundUpReady; genemod whose main purpose is to sell seedcrops and RoundUp weed killer (the genemod crops won't die along with the weeds when you spray RoundUp = "RoundUp Ready")
....and generate more sales via lawsuits if Monsanto field monitors find that any of their patented crop genes have infiltrated your fields of natural, or at least non-Monsanto, corn, soybeans, wheat, w/e.
Basically, Monsanto are the earliest of big profiteers off of patentable agri genemods, and have some very snarky shiity business practice issues when it comes to ethics and simple decency. Farmers have tried to countersue Monsanto, saying "get your shit modded genes outa my crops!", but they lose to the slick corporate lawyers every time.