Customers who ship their item to a locker typically in 7-Elevens, grocery or chain drugststores are emailed a code after a package arrives that unlocks the door holding their merchandise.
According to the professor, Google's shortcoming mostly comes from a relatively skin-deep routine that checks the SHA-1 value and install package name, not underlying code that's tougher to change.
Starting out in a tiny office not far from Dalal Street where the BSE is situated, they took three years--Shah wrote the product specifications, and Neralla the software code--to develop a robust software package that was user friendly enough to run on a car battery, a nifty feature in a power-scarce country.