Over the past decade, companies have been experimenting with a radical concept: openness. Instead of keeping proprietary information close to the vest, they make it available to anyone who wants it, usually free of charge.

ISPhone survived, thrived, and still caters to small and medium-size ISPs--"we're a phone service enabler for service providers," is how von Schlegell describes the company--in large part because it was willing and able to adapt to the topsy-turvy of the telecom industry.

What's the most valuable piece of web software you use every day? Your web browser, surely. So whoever makes the browser which dominates the market should also make riches beyond the dreams of avarice - shouldn't they?

Maybe because of JavaOne and Sun’s well-known concerns about open source profit the idea of proprietary hooks which make people pay for open source software is big again.

The Sun faithful who attended the CommunityOne Conference this morning may not have noticed, but Sun and its MySQL executives were very clear about Sun's open-source strategy going forward, despite news reports that seem to have missed the nuances: The core will always be 100 percent open source. The periphery...will not. Or might not. It depends.

This tutorial provides step-by-step instructions on how to install Xen on an Ubuntu Hardy Heron (Ubuntu 8.04) server system (i386).

UPDATED: Open source has the adherents and the contributors, but what about the income? Patience, say the developers.