<p>Microsoft may have developed its first nifty mobile device. But trying to sell and service it could prove a challenge.</p><p>Expected to ship in the fourth quarter, the new Surface tablet could appeal to business users in particular. Unlike Apple's iPad it will run popular Microsoft Office apps such as Word and Excel.</p><p>It will also have an innovative keyboard cover that should make typing easier without the added weight of typical accessory keyboards designed for tablets.</p><p>Right now, the iPad dominates tablets, with 68% global market share in the second quarter, according to Strategy Analytics. As it continues to ...</p><p><a href="http://online.wsj.com/article/SB10000872396390444752504578024693000054904.html">Keep reading...</a></p><p>Read also:</p><p><a href="http://techcrunch.com/2012/09/29/windows-store-metro-mode-no-sideloading-psa/">PSA For Win8 Devs: The Only Way To Distribute Your Metro Apps Is Through ...</a> (TechCrunch)</p><p>Explore: <a href="http://news.google.com/news/more?pz=1&ned=us&ncl=dPdgyIXmTlcTjLM5HWQ_zHOrW3oqM">16 additional articles.</a></p>