In common parlance, the term “Infinity” in mathematics that has the shape of an eight rotated horizontally is used to define a huge amount that is beyond our comprehension. The Web is well suited to this concept. It ‘so great that no person and no technology, for now, has been able to measure it accurately: the size of the Web can only be estimated. So to better understand what we are confronted with, we try to translate this infinite in something closer to help us also to understand today’s technology challenges that a giant poses to those who want to understand and maybe manage.
The best search engines are able to index more than 1000 billion pages, equivalent to about 150 pages and over 600 per person per Internet user. If a person devote a minute to read every page of the web would take, without sleep, about 31,000 years to read them all. In addition, the Web is very dynamic: it is estimated that every minute being added 700.00 pages. This means that if we assume a person to read even just the pages added at the last minute, giving her a minute of time on page and making it work eight hours a day this person would take about seven years to finish the job assigned. Still, if we compare a web page to a page of a book, and we assume that a book of 1,000 pages has a thickness of 10 cm, putting, books next to each other we would circle the earth 2.5 times (100,000 Km)
Which generates problems therefore the size of the Web? Unfortunately, in my opinion, are many. If, in fact, on the one hand you want to emphasize how our society is based on knowledge and information, the other the full implementation of this concept requires that the information is easily accessible to all. However, since the information is in high quantities, it is hard to find what you really interested in, or are similar to each other information that require too much time for analysis and arrangement. This phenomenon is known as INFORMATION OVERLOAD. In essence, the lack of availability of information generates some knowledge gaps and therefore risky choices, while the availability requires too much time to find what they are interested in, to divide what is of interest from what is not, and then systematize as found .
One of the challenges of those who offer services on the Web is, therefore, to provide ways to search and processing of information that enable users to save time without diminishing the quality of the information obtained or, better, to improve it. D ‘Other hand, this situation requires users to develop useful knowledge to navigate with greater speed and effectiveness in this huge amount of information available