Folks, for whoever is still worried about this, Samsung actually released the S4 Gold edition before Apple's keynote:
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"About a month ago on August 27th, Samsung launched the GALAXY S4 Gold edition in the United Arab Emirates (These were available in stores starting September 8th). Its since also been released in Kuwait and Qatar," writes author "A."
http://appleinsider.com/articles/13...-golden-history-of-making-gold-colored-phones
Apple's golden iPhone has long been rumoured.. and you'd expect a massive tech company like Samsung to have inside knowledge.
I'm not saying they did copy (or didn't), just saying the fact they released it two days before the iPhone announcement doesn't mean diddly squat