This techie's app gives you a 'Doosra' mobile number to bowl spammers out

The app a dummy, virtual mobile number you can use instead of your original, to fend off spammers and telemarketers, thereby reducing the risks of getting defrauded as well

Here is a start-up that came into existence as a result of a few not-so-pleasant personal experiences that its young founder had. 

Fifteen years ago, then 25-year-old Aditya Vuchi and his four other roommates in the US would always give their landline number to check-out agents at movie rental company Blockbuster, Safeway or Pizza Hut. This was because all their purchases were bundled into a single account and the reward points would accumulate faster. Secondly, it was a landline number and no one could never really bother them with calls or messages on their mobile phones.

Fast forward to a Sunday