In the first three segments, we discussed what can happen when mobile devices, applications and networks don't work in harmony, and showed the benefits of a unified and manageable mobility strategy. The tools to reach that goal are available today, thanks to technology that overcomes device incompatibility and permits an organization to manage all its mobile assets from a single console. In this segment, Nokia's Vishy Gopalakrishnan talks about the most common problems customers confront today and the practices and technology they're putting into place to keep devices and applications in sync.