Behold Google It proposes its users a unique way of organizing e-mails, emphasizing the importance inbox. It is about Inbox free application by Gmail For devices equipped with operating systems Android and iOS. The application e-mails grouped in different categories, and important information, such as flight tickets, photos or data delivery of online orders can be viewed without the need to effectively open that email. Users can set "alerts" directly from the Inbox and also can defer alerts or e-mails received to read or respond later. In addition, users can use the "undo" for e-mails sent erroneously.