It’s not a revolutionary concept. You want some visibility so you offer what would normally be a paid service or product for free. As word of mouth grows, you bump the price back to normal levels, occasionally higher, and profit. Easy enough.

That’s what many book publishers are starting to do with titles on the Kindle, the New York Times reported this weekend. The article focuses on Maureen Johnson, an author whose young adult fiction has climbed as high as number three on the Kindle best-selling charts. It’s being run for free on the device to drive interest in her upcoming sequel, which will release this February.

While some publishers – Random House and Scholastic for two – embrace the free model, others, like Hachette, find it “illogical.” They believe the price of ebooks is already too low, so why go any lower? In fact, a lot of publishers delay ebook publication for a few months after a book’s release to capitalize on hardcover sales.

Obviously, as time goes on, we’re going to see publishers get more and more creative to keep profits up in the face of lower prices for retail media.

Amazon announced today that the Kindle would be opening up for development of third-party apps. It’s getting everything too, not just weather widgets and email browsers. You want games? You got ’em. Though, you’ll probably hate most of them on that e-ink display.

Really, this has to be a future-proofing move for Amazon. I can’t imagine many developers will be clamoring to get apps on the device, especially with the limitations in place. Free apps have to be less than 1MB and use less than 100KB of data per month. Paid apps are under the same usage limit but can be as large as 100MB, though anything over 10MB has to be downloaded via USB.

It’s hard to imagine the kind of apps that could be successful on a Kindle. The screen refresh works for ebooks, but imagine trying to play a game. It’s just not going to work out. The real benefit, it seems, will be to get developers involved before the release of some sort of color Kindle with a real screen. Until then, I’m pretty sure the “apps” will just be ebooks that serve specific markets.

Amazon today quietly confirmed that it would start selling the Kindle DX in international markets in the near future. The news isn’t really a shock after the GSM Kindle announcement. As you may recall, the DX is the bigger version designed for textbooks and newspapers. It’s the model that was offered to Princeton students free of charge. The model those same students hated.

According to SlashGear, Amazon has only said “next year” with regard to a date and won’t say anything about pricing. The international Kindle 2 runs $20 above the states-only version. I’d guess the DX will be about the same, giving Princeton the unique opportunity of subsidizing $20 toward even crappier AT&T service for the rest of us. Thanks guys!

Amazon is cutting the price of the Kindle once more, this time hoping for a holiday rush. When the Kindle 2 launched it was $359. It dropped to $299 in July and has now cut another $40, bringing the world’s most famous e-reader to an almost reasonable $259 ($199 and we’ll talk, Bezos).

With the price cut also came news that wireless download capabilities have been added internationally in 10 different countries. That’s a big update for a feature that was previously only available stateside. The updated wireless also comes with a carrier change, from Sprint to (gasp!) AT&T. Yes, AT&T will be handling wireless communications for the internationally capable device in the US and abroad, which makes me wonder, does AT&T want to bury itself under a mountain of complaints? Of course, there are so few Kindles in the wild compared the newly VoIP over 3G enabled iPhones that this is probably a molecule in the vast ocean of AT&T’s wireless demands.

Of course by “ate” I mean “deleted without warning” and by “Amazon” I mean “another in the growing list of evil companies who can’t get their digital rights straight.” The suit, which is a class action, is being brought by Justin D. Gawronski, a 17-year-old from Michigan who lost his notes on George Orwell’s 1984 when Amazon went and pulled the book from all of its Kindle devices.

While I am glad to see someone taking legal action on the matter, it’s a little absurd that it was a 17-year-old who had to do the deed. I would hardly call losing your summer reading notes a serious injunction, but then, what really could be in this situation? The most serious part is simply that Amazon did it, and they shouldn’t have. Now it’s up to the courts to decide if that has any reasonable legal implications. My guess is they’ll simply say, “no.”