Matt Brezina, co-founder of Xobni, a plugin for Microsoft Outlook, explains how their company can make e-mail more useful to users. Related Stories: Xobni integrates inbox with networking *** What’s your opinion? Leave your comments below or send a letter to the editor. Show Comments Hide Comments Comments Sign up for Inman’s Morning Headlines What you need to know to start your day with all the latest industry developments Sign me up Success! Thank you for subscribing to Morning Headlines.