BARCELONA, Spain (Reuters) - Nokia's newly revitalized phone business went back to the future on Sunday, re-introducing a brightly colored version of the best-selling phone of 2000.<div><a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=-mNVLn85mr4:2DTGyh66DUI:yIl2AUoC8zA"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?d=yIl2AUoC8zA" border="0" /></a> <a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=-mNVLn85mr4:2DTGyh66DUI:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?i=-mNVLn85mr4:2DTGyh66DUI:V_sGLiPBpWU" border="0" /></a> <a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=-mNVLn85mr4:2DTGyh66DUI:-BTjWOF_DHI"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?i=-mNVLn85mr4:2DTGyh66DUI:-BTjWOF_DHI" border="0" /></a></div><img src="http://feeds.feedburner.com/~r/reuters/technologyNews/~4/-mNVLn85mr4" height="1" width="1" alt="" />