Tier 3 for Microsoft Exchange. Enterprises can deploy tens of thousands of mailboxes on Tier 3's cloud. To further reduce operational overhead customers may choose to upgrade to a Managed Exchange deployment. -- Tier 3 for Microsoft SharePoint.<p><a href="http://online.wsj.com/article/PR-CO-20130709-905916.html?mod=googlenews_wsj">Keep reading...</a></p>