A mobile phone is a device which helps in communication. We can carry mobile phones with us to all places and all the time. We can contact our friends and family from any place. Mobile phones can now be used to make video calls, surf the internet, play games, take high resolution pictures and even control related gadgets. It is used for a number of purposes like voice communication, video chatting, text messaging, multimedia messaging, internet browsing, sending or receiving e-mail, playing video games and for taking photographs. This keeps us from feeling lonely. It is true that mobile phones are our true companions.