Bill Gates’ letter to hobbyists (en Français, 2006)

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Free software doesn’t deserve to be mentioned in the same breath as web hucksters. Not only is it a historical continuity of the way much of our software infrastructure has been developed, but it has encouraged commercial value to built through service models, or dual licensing. It’s a pity free software and open source advocates haven’t disowned the comparisons more strongly

European Court justice Cooke gave Microsoft’s lawyers a tonic yesterday, by raising concerns about the transfer of Microsoft’s intellectual property. But one shouldn’t read too much into his intervention – the judge was playing devil’s advocate. And the trouble for Microsoft is that it needs 12 more Cookes to spoil the European Commission’s broth.

Nevertheless, Cooke’s elevation of the intellectual property issue will trouble both proprietary rivals and free software advocates alike. Arguing the moral rights of a property holder is comfortable ground for Microsoft – it would rather be staked out here than be trumpeting its bold record of innovation, or its congenial and co-operative reputation in the technology business.

And the wholesale destruction of value caused by “volunteer” projects such as Craigslist, Wikipedia or “open source” software is certainly worthy of discussion, and should not be ducked. Craigslist is a business that poses as a non-profit, and by creaming off newspapers’ classified profits, is hurting communities and shifting power to the middle-class and PC-literate by destroying what may be a community’s only universally accessible media. Wikipedia is an ersatz “encyclopedia” that’s industrialized the process of propagating unreliable information, and its only commercial value seems to be spammers, who scrape its keyword-rich content for junk websites. Free software doesn’t deserve to be mentioned in the same breath as these ventures. Not only is it a historical continuity of the way much of our software infrastructure has been developed, but it has encouraged commercial value to built through service models, or dual licensing.

It’s a pity that open source and free software advocates, many of whom find such comparisons odious, haven’t disowned them more strongly. For when an influential judge lumps free software in with hucksters and hooligans, he’s only citing what’s he’s reading in the New York Times, or our best and brightest think-tanks. This is the price we pay for having a witless and inattentive press – and a punditocracy too eager to grasp shiny new shapes or diagrams.

The plot thickens, however.

Especially when one considers the little-known fact that Microsoft has already offered to give away the source code to the protocols free software developers wish to work with, then we can see Microsoft’s true intentions rather more clearly. It’s an offer too good to refuse. What on the face of it looks like the moral high ground based on a defense of property rights, is really an artful strategy to isolate and punish free software. And on that basis, you can’t fault Microsoft for inconsistency – it’s a strategy that hasn’t changed since Bill Gates’ “Letter to hobbyists” in 1976.

We’ll explain.


Microsoft’s source code offer took place through back channels at the end of last year – but at least one document is on the public record – a strong and detailed rebuttal prepared by the Samba team. Samba is the long-running GPL project to create a set of interoperable Microsoft networking protocols. Samba includes proprietary operating systems as well as free and open systems, and forms the basis of embedded products.

The mere fact that a free software project has rejected source code might surprise some, but only until you see the strings attached. And they’re more shackles than strings.

“The license proposal forbids you to run any binary that’s based on the source code,” Samba developer Volker Lendecke says.

As the Samba submission to the commission pointed out, code that was potentially encumbered with patents would have required the Samba team to set up a clean room.

“So having the ability to run source code, the complications rise tenfold. Really a bunch of new different problems,” Lendecke says.

So there’s the issue of practicality. In 50m lines of source code, it’s hard enough tell what’s going on, let alone what patents might be lurking. Back in 2001 the dissenting states suggested forcing Microsoft to disclose its Windows source code to rivals – and we can understand why that idea found no interest.

There’s also another reason why a source code offer isn’t all that it seems.

In his 1984 paper “Reflections On Trusting Trust“, the co-author of Unix Ken Thompson described a theoretical Trojan which could be salted away inside the compiler. It’s a work of subtle beauty that deals with the transmission of knowledge without the transmitter being aware of the payload. That’s something we’re all experts on, whether we think very much about it or not.

“No amount of source-level verification or scrutiny will protect you from using untrusted code,” concludes Thompson. The relevance of “Reflections…” to this week’s hearings is not to suggest that Microsoft has been so fiendishly clever that it may have rigged its compilers with an unknown payload – a feat which would require a level of foresight unknown at Redmond. But its to reinforce the general point that disclosure of the source code isn’t the full story. Source code is not a holy grail of authenticity, but merely a set of instructions for other mechanisms to obey. The map is not the territory.

In fact, all the Samba team want, according to Andrew Tridgell’s testimony this week, is a floppy disk’s worth (http://mail.fsfeurope.org/pipermail/press-release/2006q2/000137.html) of Interface Definition Language descriptions.

Another comment of Cooke’s met with astonishment during calls to parties with an interest in the outcome of the case on Thursday afternoon. Cooke expressed skepticism that Microsoft’s buy out of AT&T’s AS/U, its Windows services for Unix, represented a “disruption of supply”. AT&T had licensed the code to 11 vendors, including HP and Sun, to permit them to build Windows interoperability into their server offerings. (We can’t stress enough that the European anti-trust case specifies a server-to-server remedy beyond the client-server remedy the US settlement outlined).

The proof is surely in the consequences of this action. After Microsoft’s cash settlement with AT&T, derivatives of AS/U such as Sun’s PC NetLink withered on the vine. The only Windows interoperability project to gain any widespread industry momentum since its demise has been Samba, which is handicapped on several fronts. Did AS/U licensees – some of the biggest names in the industry – rationally decide that what their customers really wanted was worse Windows interoperability? Cooke seems to invite us to draw this conclusion. One must hope the other judges find this far-fetched.

Asked what Samba really wants, the team told us –

“A fully specified protocol to the level of detail of an internet RFC, much like Sun’s NFS v4 – that would be perfect.”

There you have it. Not such an intellectual property giveaway after all, is it?

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