Virtual Sticky Notes

Hi got this information from The hindu news paper.
Now, virtual sticky notes
New York: Software that enables mobile phone users to obtain location-specific, real-time information, either actively or passively, from other users across the world has been developed by a team led by an Indian-American Professor at Duke University.
The rapid convergence of social networks, mobile phones and global positioning technology has given Duke University engineers the ability to create “virtual sticky notes” — site-specific messages that people can leave for others to pick up on their mobile phones.
Romit Roy Choudhury, Assistant Professor at Duke’s Pratt School of Engineering, said: “Every mobile phone can act as a telescope lens providing real-time information about its environment to any of the three billion mobile phones worldwide.” It will be as if every participating mobile phone works together allowing each individual access to information throughout the virtual network.