Quote:
Originally Posted by Sirtel
The mobi file may have been a dual mobi (containing both mobi and azw3). I seem to remember that the Baen mobis are actually dual mobis.
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Most mobi from retailers are likely dual mobi. They can't know which kindle you have, llike Amazon does.
Most of the PD used to offer mobi and Kindle (azw3). I think Gutenberg now calls their mobi a "Kindle", but I don't know if it's dual mobi. Many claim to offer a special epub for Send to Kindle, but actually a simple epub2 will work for STK and Kobo, despite what Standard eBooks claim.
Mobi predates Kindles. The prc is a kind of mobi. Mobipocket book also had pdb, but that's actually for the Mobipocket app on the PalmOS and barely better than a typewriter. The prc/mobi is much better, but still atrocious compared to azw3/epub2 or the 1998 Open Electtonnic Book that's really epub1.
You don't want to ever use old mobi, except for the four dinosaur Kindles (K1, K2, DX, DXG), which are terrible anyway, though the DXG has at least a Pearl screen.