Can you tell us something about 'nano technology'?

Can you tell us something about 'nano technology'?

This is one of the latest developments which has created waves in the electronic products market. It emphasizes on miniaturized versions of the conventional products which we have been using along with some added multi-product features. A common example is the cell phone itself which we use in our daily lives - this device is getting thinner and smaller. Companies like Sony and Canon have also been reportedly using such technologies as their USPs.(Unique Selling Proposition).