Apple has long had the practice of copying open standards and making a proprietary version (see Epub3/iBooks), and today they repeated this maneuver with the launch of Apple Letters. The apple-bet, as it is quickly becoming known, is just like the regularly alphabet except it includes improvements that only Apple can provide:
About Nate Hoffelder (11468 Articles)
Nate Hoffelder is the founder and editor of The Digital Reader: "I've been into reading ebooks since forever, but I only got my first ereader in July 2007. Everything quickly spiraled out of control from there. Before I started this blog in January 2010 I covered ebooks, ebook readers, and digital publishing for about 2 years as a part of MobileRead Forums. It's a great community, and being a member is a joy. But I thought I could make something out of how I covered the news for MobileRead, so I started this blog."