This iron claims to heat up in 15 seconds; it also claims to use some bullshit technology that allows it to "self adjust" temperature according to hair type. Well it got warm but it sure as hell didn't heat up enough to seriously straighten or curl my hair in a mere 15 seconds--in fact, I found that it didn't ever straighten my hair enough to satisfy me.
As far as we’re concerned, this is the best hair straightener we’ve tried. Not only does it heat up in record time (only 30 seconds until it hits 365°F), it’s also been lauded for its frizz fighting capabilities—as mentioned above, a must down South. What’s more, it lasts. One editor’s trusty Classic Styler is still going strong after 4 years of almost daily use.  
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* * * Update: After returning the above-described item, I bought a ghd Classic Styler in-person from one of their authorized salon dealers (info at ghd's site). When I went to register the hologram and date codes, the ghd site accepted them on the first try. Also, the second unit I bought HAD country-of-manufacture information on the box and on the date sticker (made in China, which some other comments said isn't legit, that seems to be wrong). My unit labeled made-in-China is the one that registered successfully with ghd. Also my second purchase - from the authorized dealer - had a lot of information printed on the bottom of the box, including a bar code, web info, consumer information phone number, design info and information about the product. The unit I purchased from Amazon had NO printing on the bottom of the otherwise authentic-looking box. Draw your own conclusions. Bottom-line: if you buy a ghd styler here, double and triple-check that your unit is for real.
Choose from the ghd hair straightener range, including the award winning ghd Platinum® Styler or to complete your kit of styling essentials. From waves and curls, to flicks and poker-straight hair, create a look that's stylish, effortless and professional. ghd stylers will help you create a multitude of hairstyles, producing shape and movement in each styling session. 
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