SAN FRANCISCO (Reuters) - Amazon.com Inc will use its surging revenue to boost growth and drive expansion into areas such as Web content and cloud computing rather than boost its margins. (http://feeds.feedburner.com/~ff/reuters/topNews?d=yIl2AUoC8zA) (http://feeds.feedburner.com/~ff/reuters/topNews?i=Hj_aEprdVDg:dIM2JKVlIDI:V_sGLiPBpWU) (http://feeds.feedburner.com/~ff/reuters/topNews?i=Hj_aEprdVDg:dIM2JKVlIDI:-BTjWOF_DHI) (http://feeds.feedburner.com/~r/reuters/topNews/~4/Hj_aEprdVDg)