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Not a single week is passing without talks about privacy problems at Facebook. Not surprising, as the problems happening don’t have to be big ones — privacy problems can arise even when everything works smoothly, from Facebook’s viewpoint. Worldwide, more than 400 million people are registered at Facebook. And all of them deliver data 24/7 to the U.S.-based social network — sometimes even without wanting to, and sometimes even data about friends or relatives that do not know about it and do not want it to happen.

Since yesterday, you can buy it in Germany and several other European countries: the iPad. Apple succeeds in making true what other manufacturers can only dream of: People flood stores and order a device for several hundred Euros—without knowing what the device can do.

Is a WLAN operator legally responsible for strangers connecting to his network and getting criminal? The Federal Court of Germany will decide on 12 May. Though, everybody should operate a secured wireless network — for your own interest and regardless of the court’s judgment.

Internet Explorer, Firefox, Opera or Chrome – there is more than one program to surf the Web. Chances are high that you too have your favorite browser. Or even more than one. Many people don’t know: Each browser is extensible nowadays. You can download small add-ons and customize your personal surfboard. Here is how it works and which extensions are most useful.

Opera, Firefox, Internet Explorer—everybody may and must decide which program to use for surfing. Professionals are glad, for newbies this can be messy. What now, which program to pick? Let’s talk about the backgrounds—and get some tips.

CeBIT in Hanover (Germany), it is still the largest computer trade fair worldwide, even with having shrunk in the past years – this year again with fewer exhibitors and fewer visitors. Some companies though have a CeBIT booth for the first time, like the Web gigant Google.

Where are you right now? That is a question you don’t have to ask many people, as they are constantly informing their friends and the whole world where they are, with geo-tagging services and their cell phone. That can be useful and intelligent, but also problematic.

More and more people register with social networks, like Facebook, Twitter, MySpace and many more. Registering is really easy – but if you want to unregister afterwards, that can get complicated. It is not that simple to say good-bye to the social networks.

It is one week ago that the latest Internet Explorer security problem came known. A security hole that offers hackers complete access to your computer, including all data stored on your hard disk. Of course, such news don’t spread a good feeling. Since last night, the security hole is finally closed. But how can you secure your own computer?

Cloud Computing is everywhere these days. Microsoft has launched Windows Azure, Chrome OS also focuses on your data in the web. But what is it all about? What possibilities and disadvantages does cloud computing have? Finally: Who can or should use it?