Ephraim wonders about the necessity of having BI applications on your cellphone, and offers an alternative: One window. "a single mobile environment, a single mobile window, if you will, lower case W please, in which information can be sent to or accessed from. One window, one view, all critical information goes into that pot." We already have One Window: it's called a Web browser. We also have ways to Ephraim wonders about the necessity of having BI applications on your cellphone, and offers an alternative: One window. “a single mobile environment, a single mobile window, if you will, lower case W please, in which information can be sent to or accessed from. One window, one view, all critical information goes into that pot.” We already have One Window: it’s called a Web browser. We also have ways to overcome the limitations of Web browsers, known collectively as RIAs, in which I include Ajax.The whole idea struck me as funny, though, and brought to mind the inscription on Isildur’s Bane (in The Lord of the Rings): One Ring to rule them all, One Ring to find them, One Ring to bring them all and in the darkness bind them or, in Elvish: Software Development