After a lot of development involving IPods and Mp3 players, we now have about 4GB of memory being stacked in a Sony Ericsson phone. The developments mini SD and micro SD cards, packing up to 2 GB in a micro SD, bring more good news.
Human interaction with the devices has improved with touch screens, bigger screens, video conferencing cameras and full-function key boards being available on mobile phones. We also have mini USB to interface them with other devices.
In spite of the famous Sony battery recall, we now have better and longer lasting batteries and devices that use power more efficiently. Put together we have more juice in our hand-held than few years back.
Devices are now ready to access the network in more efficient manner. Nokia phones now come with the capability of accessing 3G network and Wi-Fi networks.
All these developments have in fact set the stage for a string of developments. We should now see set of applications that can revolutionize the use of mobile devices in years to come. These applications will trigger a realization of importance of security identification that will influence further development of applications.
Next let us try and understand what killer applications can make our hand-held devices even more important to us.