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Duplicated content is actually not a new issue and every SEO should know about this problem. The best example of how content may be duplicated, is www-problem. If you don’t have a 301-Reditect of domain.de to www.domain.de, then the your website is reachable on both addresses. A result of this problem is a great quantity of same pages with the same content. Although we think that it is unimportant, Google, MSN and Yahoo have a different opinion. Therefore it is essential to solve this problem and not to ignore it.
But there are cases where it is inevitable to solve this problem on the way that I described. For example, if a web site offers a “Print Preview” or “view for mobile devices”. Previously, it was so that Google could decide which of the pages with the same content it takes into the index.
This is now different. The largest search engine operators have understood this problem and offer a remedy for webmasters who can’t avoid to use duplicated content. Now you can use the link with the attribute rel = “cannonical”. That means that you tell to a search engine that this link has more priority than other with the same content.

Source: http://www.mattcutts.com/blog/canonical-link-tag/

If I tell you that Google Chrome is a new browser from Google, I say definitely nothing new. The speed with which news about a new browser from Google spread was so great that even the users of Internet Explorer 6 found out about it.
The impression that leaves Google Chrome is user to user very different. Some people find the new look of chrome great, the other – shit.
As for me, I was thrilled. The design and usability liked me so much that I seriously thought, to use it as my default browser. It would be a great browser for my netbook, because the design of chrome uses not much space and it is very important because of 10.2 ” display of my netbook.
But I found a very important problem. It is a privacy problem, because of very dubious features, which are hidden under the hood of Google’s new browser. It generate a unique ID for earch user, at the first installation of Chrome taking place. This fact would not be so bad if Google would not offer any services with help of which, a person could be identified. But because Google offers many such services (such as Gmail or Google Analytics), it is a very serious privacy problem. In addition, Google offers a suggest feature for address bar. To be able to offer this service, Google is logically need to save all inputs from the user on the server. While Google swears that these functions are only for certain purposes, I would heartily recommend to avoid the Google Chrome. Finally, the staff of Google are only humans and they are equally exposed to any seductions, like any other human being.

Is it possible that we will soon optimize our websites not only for Google, but also for a new search engine called Cuil?
Cuil is a new search engine. The authors of this search engine formerly worked for IBM and Google. This means that these people have insider knowledge, and are able to build a new concept, or as they claim, they built it already. The makers claim that their search engine has three times more information than any other search engine.
That sounds very confident, whether it is true? I don’t think so. I tried to find out different keywords, such as city names or vegetable species in 4 languages (2 Western and 2 Eastern European languages) and a part of these simple words, were not found byCuil, although all of these words are available in Wikipedia.
In addition, I find the design of Cuil very disgusting. The black background appear to be depressing to me and I have no desire, to visit this page every day, what I do now with Google. Unfortunately, many functions, which I find as essential, including the possibility of filtering of search results by language are not offered by Cuil. Perhaps these functions will be implemented in future, but I got another bitter taste of the empty promises and now I’m a bit sceptical about Cuil. I think that there are many people who thinks like me. To work on Google or IBM, certainly not enough to convince me that Cuil is much better than any other search engine and the test results are the best example of this thesis.

Adobe Flash is a popular method to develop the websites. Not only design agencies or photographers using it, but even reputable institutions such as banks, don’t want have only pure graphics and HTML sites. This is also OK, so long as you do not exaggerate and use flash in the places where it is needed. A purely Flash-based site will disapoint you if you try to optimize it for the search engines. The reason is the most of search engines were developed under the assumption that the target page is written in HTML. Major search engines such as Google are already able to extract text and links from a flash file, but because the text in flash does not have the structure, the search engine can not see whether it is a title, a quote or another part of the document. This means that the search engine is not able, to determinate the importance of the text section and to sort the results by relevance. In HTML, on the other hand you can use H1-tag to label the heading and the other text sections in conjunction with the appropriate tags. This problem with assessing the importance of the results is a reason why the search results from a flash site, almost never shown by the search engine. Only if you explicitly search in Google for flash files, you get the right results.

What must be done to minimize the problem?
The fact is that we can no longer simply renounce the flash. We must therefore find a way to satisfy both the visitors, as well as the search engine with the result.
There is more than one way to Rome, but not all are good and without threats.
The most commonly used method is to create two separate web sites, as a purely flash-based file and other – in HTML. But I think that this solution is not optimal and it would be rather to use a combiation of flash and html. It is advisable therefore to use an HTML site with embedded in that flash at appropriate places. There is an opinion that it is good to use JavaScript to show a flash-based site for a genuine visitors and a text-based for a search engine. I find this method more than questionable, since it so easy to get deleted from the search engine index.