In 2015, with smartphones now ubiquitous, messaging apps like Whatsapp are usable anytime, anyplace. When all is said and done, what impact will this communication method have on people? There are 800 million Whatsapp users sending 3 billion SMS messages daily. One user checks his account hourly, and feels the app allows him an alternative from merely talking on the phone---by texting, or sharing with a group, he’s able to transcend earthly limitations. Still Whatsapp has come on so fast, that there remain questions about its use. Communication in the public realm is becoming more open, while that involving personal lives is more and more hidden. It is definitely worth following how this app influences our lives.現在,我們只要有一部智能手機,隨時隨地都可以使用Whatsapp(手機通訊應用程式)。究竟Whatsapp怎樣改變人們的溝通方式呢?全球用戶達到八億,每日平均傳送三百億條信息。受訪者陳卓朗時時刻刻機不離手,經常錄製語音信息給朋友,覺得Whatsapp可以取代講電話。它可以同時發放信息給一群人,打破地域限制,互相分享生活點滴。用家們有不同年齡或不同背景,使用Whatsapp也有不同的原因和態度。鍾偉東老師卻反潮流,與別人溝通只用電子郵件或打電話。Whatsapp發展迅速,在公事上應用越來越多,在生活上更是分不開的,私隱問題應該值得關注。有人反思Whatsapp是否有必要呢?