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The final section of the book deals with the Dyke era and provides an insightful commentary on the outcomes of the Gilligan affair and Hutton inquiry. It also charts some of the initiatives and strategies that Dyke put in place to revitalize creative, collaborative working at the BBC and to build the BBC's digital vision.
A few of the comparisons that Born draws between the BBC under Birt and the BBC under Dyke are a little perplexing; the seeds of the digital strategy were, for example, sown during the late s even though they were not implemented until early in Dyke's tenure — why then is the successful digital strategy so strongly attributed to Dyke's vision as opposed to being identified as an effective example of the creative community in action under Birt?
Points such as these, however, are small details in the context of the rest of the book. Despite a distinct change in the texture of the observations about organizational dynamics in this last section the delightfully apposite examples in the earlier part of the book are disappointingly absent from the Dyke chapter , she clearly pinpoints the erosion of energy within the creative community and the deterioration of the ethical identification of staff with the public service broadcasting vision under Birt and how this began to reverse under Dyke in the early s.
Ultimately then, Uncertain Vision is a book about the past and the future of public service broadcasting. Underpinning the whole book is Born's contention that the creative health of the production community determines the quality of the programmes produced, and that the programmes produced both condition audience demand and determine the essence of the public service broadcasting proposition at any particular time.
In the course of the book, Born draws out the tension between the democratic, public purposes of the BBC and the paradigm of the sovereign consumer.
However, she appears to see the success of public service broadcasting as at least partly contingent on a vertically integrated organizational model dealing with a unified, un-segmented audience. In a world where the pressures on media organizations have been towards greater segmentation and vertical disaggregation, surely rather than advocating a model suited to a disappearing world, the real challenge for public service broadcasters such as the BBC — and the commentators on their success — is how to continue to deliver public value and audience enjoyment within the new context.
Uncertain Vision makes an illuminating contribution to the debate by illustrating how a creative community delivers public service broadcasting in practice, and therefore, even at its least forward-looking, it still gives significant food for thought. The stratification of the layers and the principles of social psychology1  thus become a series of programmable computational steps .
Styles, traumas, whims and fancies are generally transient but the social fabric of most cultures has a longer life. Being alive and well founded in the needs of all humans, it changes gradually and continuously, but it is go- verned by the social norms and ethics . Having a deep foundation in being congenial and benevolent, they are adaptive to changing whims and fancies do not stray too far, nor too long to become outcast destructive to humankind .
Like most scientific objects, the mind retains the energy of knowledge. Other examples also exist. In the knowledge field, the measure of the knowledge energy or kenergy is measured in a similar fashion. The retained kenergy is proportional to the square of know- ledge potential or KnP and a knowledge attribute or KA of the knowledge centric object KCO . The energy attribute can change over the life time of KCO and KnP can dissipate, degenerate, decom- pose, etc.
Most KCOs lose energy exponentially over time4. Knowledge though abstract and intangible has structure, connectivity and become quantifiable in terms of two basic attributes, the hu- manist property of a noun object and the KnP achieved by the object.
In the framework of these two basic and quantifiable attributes, the acquired knowledge energy becomes quantifi- cation. These invisible lineages and linkages to other bodies of knowledge, communicate the value and validity of knowledge in the particular society where it exists.
This flow and velocity have both directionality and measures thus offering the discip- line of fluid mechanics to quantify one aspect in the flow of knowledge. Although the as- sumption of conservation of energy well-founded in fluid mechanics is not applicable in the knowledge domain, the mathematical principles embedded in generalized nonlinear Bernoul- li equations may offer a good basis to import the concepts into the knowledge domain.
The voltage V across the capacitor and the currentin the inductor coil respectively, determine the energy stored in the capacitor, and in the inductive coil respectively.
We start by asserting that every human being is unique and distinc- tive and these individualist traits become parameters in equations within knowledge science s. However, statisticians have developed strategies and techniques  to deal with uncertainty.
More than being just strategies, they are incorporated as managerial tools [12, 13] in Management Science and used repeatedly to maximize profits, minimize risks, mini-max and maxi-min, etc. Such approaches are deployed in most business communities in seeking their specific goals. In line with the tradition of computer architecture, binary data is grouped as nibbles, bytes, words or any form of data structure and represented as the second node in a trail of know- ledge depicted in Figure 1 and discussed in Ref .
There are seven nodes in Figure 1. There is considerable similarity in the approach in the progression of knowledge and science, in building one computer platform after an earlier one, or even in introducing one computer language after an earli- er version e.
When sufficient expertise is gathered in processing at each of the seven nodes B through E , un- der the current rules of compilation, a more generic, powerful, and encompassing format is con- ceived or invented for the nodes I, K, C, W, and E.
Backward compatibility is generally adhered and sometimes abandoned in light of a breakthrough process, technology or invention. Figure 1Successive processing of binary data in computer systems leads to key concepts, wisdom, ethical and social values in any given society. Seven nodes are shown with reality of digital data that flows through the networks on the left side to ethicsand values on the right side.
Microscopic functions on the left side are cumulated to achieve major functions on the right side. Currently the functions on data structures and in- formation form a basis of programmable steps in solving scientific, business or information problems.
The content full lines comes from all the databases of prior domains and from all sources including Internet, WWW, knowledge bases, broadband and digital networks, and library databases. It is important that the content satisfy the processing capability of content at that particular node.
During the early days of evolution of knowledge at the lowest seventh level of the pyramid, structure and functionality were emphasized. In the Internet age, flow analysis of data and information is feasible and prac- ticed by most Federal and State government agencies.
Police and Intelligence agencies practice this to keep surveillance records on ordinary citizens, suspects and criminals. The data-flow records are available to most IP servers and to their personnel. The social and ethical aspects, though questionable are also in use for spam, unsolicited mail and generating junk information on theInternet at the lowest levels of this knowledge pyramid.
Figure 2 Pyramid of Knowledge Science for the upward migration of knowledge. Social sciences though not apparent still formed the basis of early learning and communication of knowledge from one generation to the next.
Unfortunately, spammer have access to the user preferences, habits and machine learning algo- rithms that makes the targeted marketing more annoying than ever before. Such issues can be most easily curtailed by limiting the access to user and customer data bases by encryption or indi- rect addressing this preventing spammers and junkies to abuse information.
At the top of the pyramid shown in Figure 2, it is possible to build a social machine to satisfy customized and personalized user needs. For example, hospital with certain specific staff and facilities can provide focused information and suggestions to patients and the sick based on the patient data bases and financial history and records.
Marketing and dating agencies attempt to reach their most likely cus- tomers in order to generate revenues for themselves. The channel was receiving consistently poor ratings, and the BBC decided to relaunch the channel.
In addition to this, the format was changed to a serious, documentary channel with scheduling arranged into 'zones' depending on topics. Please help improve this section by adding citations to reliable sources. Unsourced material may be challenged and removed. December Learn how and when to remove this template message However, the real reason for the shift in programming was because the incumbent government delayed approving new BBC digital plans.
BBC Three and Four were planned to have launched in but because of the plans being delayed, instead the BBC decided to relaunch the two channels in the meantime with the new programming. Eventually the new digital plans were approved. In February the hours were cut back for CBeebies to launch.