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Apple Announces a Trade-in Program For Third-Party Chargers
EliSowash writes "In response to recent reports of safety concerns around third-party chargers for iDevices, Apple announced today that beginning August 16, 2013, you can trade in your third-party adapter and purchase an official Apple charger at a 'special price' — $10 USD. From their website: 'To qualify, you must turn in at least one USB power adapter and bring your iPhone, iPad, or iPod to an Apple Retail Store or participating Apple Authorized Service Provider for serial number validation. The special pricing on Apple USB power adapters is limited to one adapter for each iPhone, iPad, and iPod you own and is valid until October 18, 2013.'"
why does Apple like to use proprietary chargers/connectors
They don't use proprietary chargers. The chargers have a standard USB port into which you can plug anything.
They use proprietary connectors on the phone end because they are smaller (at least now), also more usable (the current and old connectors are less prone to damage than micro-USB) are easier to attach (the current device plug can go in either way) and also can offer advanced capabilities instead of USB.
The chargers do have a special ability to deliver more power to an iOS device, but that's only because the charger is built to recognize when an iOS device is attached that can handle a larger power flow.
It may be that poor-quality third-party chargers could damage the device.
Generally they can't. But they can be badly grounded and damage you (which actually happened recently).
"There is more worth loving than we have strength to love." - Brian Jay Stanley
Ken Shirriff did teardowns of an Apple charger and a generic charger.
http://www.righto.com/2012/05/apple-iphone-charger-teardown-quality.html
http://www.righto.com/2012/10/a-dozen-usb-chargers-in-lab-apple-is.html
They cost us less than $3 to make (I work in ordering). Add in S&H, packaging etc, and we're making over $5 per unit. Not a huge amount, and won't bring in the money we'd like, but from a PR perspective, we're top news on all decent tech sites and blogs at zero cost, planet wide. No other company can match us for such a trivial issue.