REFERENCES
Blake, Gary. “E-mail with feeling.” Research Technology Management 42 (6) Nov/Dec
1999: 12–13.
Crystal, David. Language and the internet. Cambridge, UK: Cambridge University Press.
2001.
“Email Statistics Report, 2011–2015.” Radicati Group, Inc. Accessed January 5, 2012
<http://www.radicati.com/wp/wp-content/uploads/2011/05/Email-Statistics-Report-
2011-2015-Executive-Summary.pdf>.
“Global Mobile Statistics 2011.” MobiThinking. Accessed January 2012
<http://mobithinking.com/mobile-marketing-tools/latest-mobile-stats>.
“Instant Messaging Market 2011–2005.” The Radicati Group, Inc. Accessed January 2012
<http://www.radicati.com/wp/wp-content/uploads/2011/11/Instant-Messaging-Market-
2011-2015-Executive-Summary.pdf>. ...