I don't have a Kobo Touch, but asked about it on that forum awhile back and someone there confirmed it could open a B&N ebook with DRM (after supplying the proper credentials). Likely not so with previous Kobo ereaders. So if that is accurate, Sony is really the last holdout.
And of course there are a number of apps for iOS and Android that will also open books with the B&N DRM flavor (and again it is not proprietary to B&N).
But here we are off topic again. Discussion of DRM never gets old, does it? Years from now, when DRM is finally gone, oh the stories we will tell our grandchildren...
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