NEW YORK (Reuters) - Seventy-five percent of internet use will be mobile in 2017, up slightly from this year, as a growing number of consumers around the world access the web on smartphones and tablets, media buying agency Zenith forecast this week.<div><a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=BEF5LOTJ7YM:dxpaP-IiH8I: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=BEF5LOTJ7YM:dxpaP-IiH8I:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?i=BEF5LOTJ7YM:dxpaP-IiH8I:V_sGLiPBpWU" border="0" /></a> <a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=BEF5LOTJ7YM:dxpaP-IiH8I:-BTjWOF_DHI"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?i=BEF5LOTJ7YM:dxpaP-IiH8I:-BTjWOF_DHI" border="0" /></a></div><img src="http://feeds.feedburner.com/~r/reuters/technologyNews/~4/BEF5LOTJ7YM" height="1" width="1" alt="" />