SAN FRANCISCO (Reuters) - Facebook Inc barred software developers on Monday from using the massive social network's data to create surveillance tools, closing off a process that had been exploited by U.S. police departments to track protesters<div><a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=HegrQB_-rqA:kEGWQChtTP0: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=HegrQB_-rqA:kEGWQChtTP0:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?i=HegrQB_-rqA:kEGWQChtTP0:V_sGLiPBpWU" border="0" /></a> <a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=HegrQB_-rqA:kEGWQChtTP0:-BTjWOF_DHI"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?i=HegrQB_-rqA:kEGWQChtTP0:-BTjWOF_DHI" border="0" /></a></div><img src="http://feeds.feedburner.com/~r/reuters/technologyNews/~4/HegrQB_-rqA" height="1" width="1" alt="" />