Notwithstanding demonetisation, who needs cash anymore Anyway, the new notes aren&rsquot particularly gorgeous (*cough* Monopoly money *cough*). Today, you can look after most of your expenses digitally, with your smartphone as the magic wand. Though does that mean exclusively cash-less travel is a reality Not yet, but it&rsquos headed in that direction. However, that shouldn&rsquot stop you from relying on the solid bank of apps we already have, and if you are millennial enough, operating them should be a cakewalk.