Hi. My two cents: The implementation of tagged pointers has been *publicly available* for a long time in the CFLite source code from the Apple's Open Source website.
So, it is not something new, and the fact that there was a session with two minute talk about it at WWDC does not mean it became covered by the NDA instantly. Relax, people. 15.06.2013, в 17:41, Robert Slower <[email protected]> написал(а): > To add some pertinent detail, trade secrets are by definition not governed by > copyright because they are unpublished. This is a double-edged sword; keeping > a trade secret offers no protection from anyone else discovering the secret > by legal means, but it also does not expire. If you are good at keeping your > secret, you have an indefinite monopoly (examples are the formula for > Coca-Cola as well as the seasonings for KFC chicken) - but anyone can legally > duplicate it at any time and it is safe for them to do so. However - if a > trade secret is misappropriated through improper means (like someone under > NDA blabbing about it), the secret holder becomes legally entitled to certain > forms of relief, such as a court imposing injunctions against use of the > secret by the parties it was divulged to, financial damages, and more. In > certain jurisdictions, like the US, revealing the secret is a crime in and of > itself - in the US, it is a federal crime. > > Most things I have been under NDA for have been so obvious that I don't know > why they bothered, other than to keep corporate lawyers happy. Particularly > for software, where it seems that similar ideas percolate to the surface > independently and nearly simultaneously, keeping one's mouth shut is the > surest way to keep options open for others. That consideration is of course > in addition to the plain and simple ethics of sticking to both the letter and > the spirit of any contract you have signed. If you can't or won't keep your > promises, don't make them. > > --Robert > > On Jun 15, 2013, at 6:24, Gregory Casamento <[email protected]> wrote: > >> With NDAs there is no such thing as "fair use." What you're told at WWDC >> is usually considered trade secret information, particularly when they are >> giving you inside information about how something is implemented. >> >> I am not a lawyer, so I am relying on my experience with such matters to >> discuss this. NDAs typically are built on what is considered to be >> proprietary or trade secret information. They typically don't cover what >> is considered to be "common knowledge" that is anything you created yourself >> without referring to the information covered in the NDA, anything someone >> else created without improper access to the trade secret information or >> anything that you can prove was commonly known to the general public. >> >> That's why I was warning you. Typically it's dangerous to assume what is >> and is not covered without consulting someone >> >> GC >> >> >> On Sat, Jun 15, 2013 at 6:11 AM, Maxthon Chan <[email protected]> wrote: >>> I can fair use, can't I? Their NDA is built on top of copyright. >>> >>> Sent from my iPhone >>> >>> On 2013年6月15日, at 18:08, Gregory Casamento <[email protected]> wrote: >>> >>>> Maxthon, >>>> >>>> Just a friendly reminder. :) >>>> >>>> Please be very careful about what you disclose here, if you are under NDA. >>>> I don't want a posting here to become any grounds for Apple to cause any >>>> issues for GNUstep. >>>> >>>> Gregory >>>> >>>> >>>> On Sat, Jun 15, 2013 at 5:57 AM, Maxthon Chan <[email protected]> wrote: >>>>> I am watching a video session from WWDC 2013 and Apple revealed their way >>>>> of implementing tagged pointers: use the sole LSB, 1 for tagged pointer >>>>> and 0 for normal ones. This is applied across all platforms, i386, amd64, >>>>> armv7 and armv7s (compatible to armv7a in Coretx-A15 and partly >>>>> compatible with AArch64 in 32-bit mode) >>>>> >>>>> Okay technically I am still under NDA so this is pretty much what I can >>>>> say. >>>>> >>>>> >>>>> _______________________________________________ >>>>> Gnustep-dev mailing list >>>>> [email protected] >>>>> https://lists.gnu.org/mailman/listinfo/gnustep-dev >>>> >>>> >>>> >>>> -- >>>> Gregory Casamento >>>> Open Logic Corporation, Principal Consultant >>>> yahoo/skype: greg_casamento, aol: gjcasa >>>> (240)274-9630 (Cell) >>>> http://www.gnustep.org >>>> http://heronsperch.blogspot.com >> >> >> >> -- >> Gregory Casamento >> Open Logic Corporation, Principal Consultant >> yahoo/skype: greg_casamento, aol: gjcasa >> (240)274-9630 (Cell) >> http://www.gnustep.org >> http://heronsperch.blogspot.com >> _______________________________________________ >> Gnustep-dev mailing list >> [email protected] >> https://lists.gnu.org/mailman/listinfo/gnustep-dev > _______________________________________________ > Gnustep-dev mailing list > [email protected] > https://lists.gnu.org/mailman/listinfo/gnustep-dev
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