Many times, people are using free tools in order to save money. While some free tools are very good for what have been designed, some of them lack some features that can make a huge difference in productivity, in security or in data storage/recovery.

For instance, zip is a very popular archive, so people use a free program like 7-zip to decompress a zip file. While it's nothing wrong with that, the same people also use it to create zip archives in order to backup information from their...

Some people are both fascinated and intimidated by AJAX. Knowing AJAX looks good on a resume, impresses your friends and makes you look special if you know such new technology.

But, the simple fact is that AJAX is not a new technology, but basically a short name for a recipe.

The purpose of the recipe called AJAX is to reload only the parts of a webpage that actually change.

Let's examine a real life example. Imagine you are going to a bookstore, and a new...

The advantages of the "No opt-in" strategy

Offering someone an free eBook for download is an opportunity for him to get to know you. Because the first impression is vital, asking for something in exchange for "free" might not be the best idea.

Everybody knows that the real reason someone is giving an eBook for free is the hope that the one who download the eBook will eventually become a customer. But is one thing to force him to become your customer,...

According to Wikipedia, "Steganography is the art and science of writing hidden messages in such a way that no one, apart from the sender and intended recipient, suspects the existence of the message".
http://en.wikipedia.org/wiki/Steganography

When a eBook is successful, some people buy it, then share it for free on their sites. When the author finds out that his book was shared illegally, he can send a DCMA notice to the sites, in the hope that the owner of the site...

For many, the biggest problem with Search Engine Optimization is that the results are not instant.

You start optimizing his site, then go to Google to see if his optimizations have the desired effect. It can take days, weeks or even month for Google to take into account those optimizations or it might never care about them.

It's even worse when you try to figure out which change you've made have the greatest effect or what changes hade effect and which not. You'll not get...