NEW DELHI: How about a touchscreen that gives the user a feel of the edges and texture of products displayed as the finger moves across the surface? Promising interaction that can take online shopping experience to the next level, scientists of Indian Institute of Technology-Madras (IIT-M) have developed a new generation of touchscreen technology that can do precisely that. 

The software called 'iTad' (for interactive touch active display) is the next generation in touch display technology which comes alive on smooth physical surfaces. 

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