NEW YORK (REUTERS).- When Philip Mold began as a professional art dealer 22 years ago, the buying and selling of high-end artwork was confined to a small group of well-versed art historians who scoured the globe in search of masterpieces. But the timeless world of art has changed in the age of the Internet and technology. Once limited to examining 15 to 20 works per day, Mold and his staff can now judge the value of between 50 and 100 works of art per day. “There are more possibilities, more discoveries. But there is also more competition. There is a new generation that likes the adrenaline rush, and buys indiscriminately,” Mold said. Mould’s new book, “The Art Detective,” explores the once-shadowy but now widely accessible world of art