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European iPhones are more fun now
(www.theverge.com)
This is a most excellent place for technology news and articles.
Currently batteries are replaceable, but due to their design it's unlikely to be worth the expense. Forcing them to make it user replaceable ensures it's easy to do, and cheap - so even if you don't want to do it as a recharge mechanism, it is still to your advantage to have it so when your battery does inevitably deteriorate you can swap it out at your convenience.