An interface enables perception of information regarding e-mail communications. The interface includes an e-mail application user interface that enables perception of e-mail message information for one or more e-mails received by an e-mail participant and that enables active display of one or more of...http://www.google.es/patents/US7900148?utm_source=gb-gplus-sharePatente US7900148 - E-mail interface having an informational tool tip
