This document outlines a chapter in the book Implementing Mobile Web 2.0 by Ajit Jaokar published by futuretext (Feb 2009). It is released separately as a stand-alone chapter. Here, we discuss the role of the next generation SIM (Subscriber Identity Module) card, referred to as SCWS (Smart card web server) SIM within Mobile Web 2.0. To explain the background, this document includes other sections from the book so that it becomes as complete document in itself.

Synopsis and key ideas
The key ideas behind this chapter are:
• Web 2.0 has already evolved to Cloud computing.
• Inspite of the notion of a ‘Web only’ processing, the cloud needs a client (as is now apparent from the deployment of a browser like Chrome from Google).
• For a mobile ecosystem, there are two possibilities for a Cloud client; The device or The SIM since both are at the edge of the network(for simplicity we discuss a cellular network only i.e. not Wimax, WiFi etc)
• From a network Operator perspective, the SCWS SIM offers a possibility to be the client for the mobile cloud for reasons that we discuss in this chapter.
• The SCWS SIM technology also offers the possibility of accessing mass market devices.

Notes:
1) This chapter is written from a Telecom Operator perspective. There are other implementations of Mobile Web 2.0 which are non Operator specific
2) We use the term SCWS technology to refer to Smart Card Web Server technology and SCWS SIM as the next generation SIM card incorporating SCWS technology

Web 2.0 and Mobile Web 2.0
Web 2.0
There are many definitions of ‘Web 2.0’ – but at a minimum, we all agree that Web 2.0 can be characterised by four properties
a) The use of the Web as a backbone
b) Harnessing collective intelligence
c) Creating a database/body of data that becomes richer as more users contribute to the system.
d) The dominance of User generated content(as opposed to packaged content like songs, movies etc)

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