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.mobi predates Kindle, but it was the first format on the original Kindles. Amazon bought the company which made it. Amazon no longer uses the original mobi for
by dunnevens 7y ago
.mobi predates Kindle, but it was the first format on the original Kindles. Amazon bought the company which made it. Amazon no longer uses the original mobi format, but keeps it for backwards compatibility. Most non-Amazon sources for Kindle books still use mobi.