<p>SAN FRANCISCO Yahoo is spiffing up and expanding its email service in an attempt to regain some of the ground lost to a Google alternative that lured away millions of users.</p><p>In this undated image made available by Yahoo the company's recently retooled free email service is shown on mobile devices. Aside from the new look aimed at regaining some of the ground Yahoo lost to Google's popular alternative, Yahoo introduced Tuesday, Dec. 11, 2012, email apps for the iPhone, iPad and mobile devices running on the new Windows 8 operating system. (AP Photo/Yahoo) Multimedia</p><p>The changes unveiled last week are meant to make Yahoo's email faster and easier to use on the Web. To cater to the growing audience checking their email on smartphones and tablet computers, Yahoo also introduced mobile apps for the iPhone, iPad and devices powered by Microsoft Corp.'s recently released Windows 8 system.</p><p>The company, based in Sunnyvale, Calif., also updated its email app designed for Google Inc.'s Android operating system.</p><p><a href="http://newsok.com/yahoo-revamps-email-in-bid-to-catch-up-with-gmail/article/3738439">Keep reading...</a></p>