Our definition suggests: 1  The value of product increments being delivered is estimable, and once estimated (whether as ROI, cost of delay, or some other measure), its value can be prioritized. In Scrum, this is known as working from a prioritized product backlog. 2  Agile can be used to create high quality products.
Tennis Players over 30 Years Old Most Likely to Win a Grand Slam. Tennis Players over 30 Years Old Most Likely to Win a Grand Slam. Roger Federer and Serena Williams have 17 Grand Slam titles each. Federer has earned more prize money than anyone in the history of tennis. Williams has earned more prize money than any woman in the history of sports.
Dan Istitene / Getty Images. The eight best menâs professional tennis players in the world are gathered this week in London for the ATP World Tour Finals. For the fourth straight year, none is an American. The last time an American won this tournament was in 1999, when Pete Sampras beat Andre Agassi in the final. That capped a decade in which Americans won six World Tour Finals and finished second five times. That was a generation ago. Recent U.S. achievement in menâs tennis has paled in comparison.