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This promotion is burning up the wires at O'Reilly Media. Lots of folks in publishing think DRM is important for their business. We've been demonstrating for years that NO DRM is good for business. Today is likely to be our biggest e-commerce day ever, based on this promotion.
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I wonder how much of it is "WOWZERS! 50% off O'Reilly books!" and how much is "Death to DRM! Support O'Reilly!". Is this going to show up in the O Really O'Reilly talk at OSCON this summer?
Best book company/publisher bar none. I can say this because I sold/purchased there books for more than ten years as a bookstore manager, specializing in computer books.
I love your books and I buy a lot of them directly from you specifically because they are DRM free.

Thank you!
Bought four books. Been needing to learn Mongo, and was thinking about picking up one of the books. Today, with the deal and the chance to express support for lack of DRM? I chose to get all the Mongo books that they had.

Thank you for stepping up on this!
Greg S.
DRM, the technological innovation no consumer ever wants! Thanks for doing what you do. :)
I greatly appreciate that you match principle with practice, both in your books and your business.
Thank you not only for bringing us excellent quality books and DRM-free at that, but for advertising their lack of DRM. Lack of DRM is one of my highest criteria in contemplating a digital purchase. Don't ever downplay the fact that you respect the rights of your customers. It makes you stand out from the others.
The site is not very mobile friendly
+Tim O'Reilly As always, you're way ahead of the madding publishing crowds! Thanks for bringing attention to "NO DRM" with this great promotion!
NoDRM,the good old way of providing a product, not a 'service' with far too many single points of failure... THE right way for books.
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It is great to see you 'get' how consumers feel about DRM. I have had an incredibly frustrating experience trying to use a PDF that was legally bought from the online store of an Australian book retailer that uses #AdobeDigitalEditions to manage DRM, and it has guaranteed I would never use either again. Thanks for having progressive vision on this issue.
August 30, 2012 is "Ha Ha You Paid for E-Books Only Readable in Microsoft Reader Day."

I wonder what were the best-selling MSFT Reader titles, and if there are good DRM-Free replacements that publishers could promote on that day.
Nice, glad I heard about this. Just went and spent $50 on AJAX books.
My purchases for the day. Thanks for the DRM FREE books :-)

Arduino Cookbook
New Environmental Monitoring with Arduino
New Getting Started with Netduino
New Learn to Solder
Getting Started with Arduino, 2nd
Just bought Charles Petzold's "Code" -- and I'm sure I'll be buying at least one more book before the evening is done.
I don't think DRM is good for business. In fact, most code I write as a freelancer is Free Software. However, I'm also a game developer, and as much as I'd like to release a game's source code, it TOTALLY destroys the online experience because hackers like pranks, and cheating in a game is one prank they're fond of.

What seems to work well is an encryption suit, signed assets, and online registration (for multi-play servers & online bans, not DRM). Our license code is just a token we validate at the server. Bad actors can get booted to keep players somewhat honest; If players don't like our rules they can host their own dedicated servers, but to be listed on the master server network your host must enforce the ban list. (We create benefits for being good.) Code & asset signing is just so that users can be sure they're not running malicious user generated content -- They can self sign mods, and trust other sources (modders) in addition to validating our game updates.

So, essentially, we turn DRM on its ear -- The players have the power to accept or reject the "invalid" content; The only thing we prevent bad actors from accessing is a service that we offer (our servers). They can still play in the "wild west" of private servers, and the game never refuses to run (if we did that, they'd play something else!) If someone with an unlicensed copy likes the game enough, they'll buy a copy so they can play with more people on the official servers. Unlicensed use isn't a big deal because it's cheap publicity, and doesn't consume any of our resources.

Lose access to the license key (oops, it's on TPB), we'll invalidate the key and email you a new one. Interestingly, after one or two emails about the lost license key, the user usually figures out how to keep it secure...

When a new game is out and the old game's sales are falling off, reduce the price and release its source its code -- You get another big boost of sales as it becomes very affordable and has added value to hackers and Free Software proponents (I prefer AGPL3+, so that when others improve the code, we can always benefit too). In other words: TRUST the users and give them value-added services. That's how you combat copyright infringement. (Note: indie dev's don't think like AAA studios)
Hi Tim, took advantage of your company's offer today, glad you do business the way you have chosen. I support your efforts to promote the "Day Against DRM".
Thanks for the heads up -- I would have missed it otherwise. I just got myself the jQuery Mobile UI book. I've always been a fan of your books, but from 2002-2010 I had severely cut down on book purchases. I'm happy to say this is O'Reilly e-book purchase #3 in the last 12 months. Psychologically a (e)book in the $10-$15 region is an easy decision, beyond that I have to think about it.
+Russell Nelson 50-50 split for me. I'm very anti-DRM (except for certain special cases where a document needs to be distributed on a strictly limited basis...and even then I have some reservations). But I'm also on a tight budget, and tech books are 50% off is a huge help for me.
I recently lost job otherwise I would buy something for a summer read.
A very wise marketing move, Tim. Decided to go "eh, why the hell not" and buy $70 of books that I wouldn't have otherwise. And it's so nice just dropping the PDFs onto my Android tab over the wifi and being able to read it straight away, without jumping through any hoops. Easier than paper books! :)
FWIW, we sold 22,000 DRM-free ebooks yesterday. Not bad, considering most publishers consider DRM necessary to get people to pay...
+Tim O'Reilly DRM free books are a gift to teachers and students in developing countries. This way I can buy several books which are all useful in different ways. Previously I'd agonise over which single textbook to prescribe, only to find out later that local retailers would not stock it if it was for a small class or would mark up the price by 50%. Disappointing though that O'Reilly doesn't ship any printed copies to South Africa
The lack of DRM on your books is why I now look for an O'Reilly ebook or dead tree version (which i think i have upgraded all of them to ebook too at a discount) first when getting a new reference book. I really wish Hollywood could figure this out.
The 50% off sale pollutes the results. Increased sales figures for Day Against DRM does not mean each sale was a vote against DRM. And I am anti-DRM, except when it comes down to MY book. And therein lies the problem, yes?
That's true. Notwithstanding the reason for the sale, the sale was just a sale. And people took advantage of it regardless of their feelings on DRM. I took advantage of it because I needed those books but couldn't afford them. Supporting a company that publicly takes a stand about DRM is a secondary benefit.

As a musician and (amateur) developer, I understand where you're coming from. I'd rather not have people benefiting from my hard work without me getting some compensation. But at the same time, I understand that people who are gonna pirate are gonna pirate no matter what. DRM won't stop them; it'll hardly even slow them down. It's a big inconvenience for legitimate users, does nothing to prevent piracy, and sends a message that a business doesn't trust its customers. It also enables double-dipping, forcing a customer to pay multiple times for the same product if they want to use it in multiple places or multiple forms.

Personally, I'm choosing to embrace that fact. I'll be using every available means to reach as wide an audience as possible with my label's releases. They'll be available on Bittorrent, file-sharing networks, Bandcamp, any digital sales sites I can get them on (such as Beatport and iTunes), as well as my label's website. It will be easy for people who want to get them legitimately to purchase them, but ultimately my goal is to reach as large an audience as possible.
There is a comment attributed to me above that I did not make. I'm not sure how this occurred. If you have an opportunity, I would appreciate it if you deleted it.
Weird. You don't mean the comment I made that you're tagged in, do you? Just making sure. Did you comment at all in this thread before today?  I no longer see the comment that I was responding to in that comment, that was attributed to you, but if that's the one you mean, they sure acted quick to remove it--less than an hour after you posted.
Ahh, that's definitely strange then. Dunno if G+ recycles account IDs or something. or maybe a hacker got into your account. There was a post from someone with your name, about a subscription-based tech library service. I tagged you in my response to that post, but that post no longer exists...I guess maybe it was removed as spam or something.
That was my first thought. I am going to research if it's a common issue.
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