Be Like Rahul, Be Smart

I know someone named Rahul who always wants to make his life and almost everything around him easier and smarter. At the time when mobile phones were new At the time when mobile phones were new, Rahul's family members were among the first buying them (mobile phones). One day, when I saw one mobile phone in his hand (for the first time, I saw that thing), I asked him , āIs that a mobile phone?ā Rahul said , āYeah, look at it, isnāt it cool?ā I said , āWhy did you buy that for so much, just to pick it in your pocket? You already have a landline phone which does the same work which your mobile can do. ā He said , āLook. Using a landline, you can only make a phone call from your phone, but by using a mobile phone you can send short messages to another mobile phone, you can call from wherever you want, you donāt even need a P.C.O for that. It can help you in urgency or passing important information away from home.ā one day, I saw a smart-phone in his hand Th...