“…Virtual reference has been developed to assist library users to seek information and consult librarians, often in real time, without Page | 20 being physically present in the library. Apart from instant messaging and web based chat reference, librarians also offer reference services virtually via web conferencing tools, such as Adobe Connect (Arvin and Kaiser 2012), Web 2.0 tools such as Twitter (Arya and Mishra 2011;Beaton 2012), Facebook and Twitter (Chu and Du 2012); mobile devices, such as WeChat (Pun 2015), Whatsapp (Akeriwa, Penzhorn and Holmner 2014) and Skype (Beaton 2012). These services are initiated by the libraries in order to meet users' needs, pursue virtual reference technologies (Yang and Dalal 2014) and improve library services (O'Dell 2010).…”