Example include applications than contain information about web page ranks and application of sharing search result for information seekers (Kotani, Nakamura & Tanaka, 2011), or travel information among proximal users (Yang, Hwang & Shih, 2012). For instance, Teevan, Morris and Azenkot (2014) designed an application with a collaborative mode activated by changing the phone’s orientation. Collectively, these applications presume that information sharing takes place in real time with co-located others. According to the report, one out of every three smartphone users search for a business’s contact information