What it does signify is the growing issues over intellectual property and patents within the IT industry, and it raises some important questions around what it is right to patent.

PHP is getting a hell of a lot more use these days. This reflects the importance of it for a company like IBM.

I think it's the right move for them. The gamble is whether it's enough to keep them independent and to allow them to grow.

It's kind of unbelievable that [the patent] has such a wide-ranging use because it covers so many technologies, Anybody who does anything with rich applications will have to pay royalties to the company.

I think this shows that Tod Nielsen has come into the camp, looked around and decided to shake up the company and put it in a position where it can make its mark.

The question is whether we should rush to treat early episodes with anti-psychotics, often before a clear diagnosis has become evident.