Reuters reports that in an effort to change the way the art world works, collector Charles Saatchi has started a web site for art students; and a few participants have already sold some of their works online. The art world faces two significant, but related problems. With art prices soaring, collectors find it difficult to find time to visit galleries themselves. Meanwhile, artists have a hard time getting noticed amid the pressure to find the next big thing. Some feel the reach of the internet is the answer, as it offers low-cost access for thousands of artists, while simultaneously providing the networking ability that social networking affords…