The Charmed Life of Pandora

Pandora is sold in over 100 countries around the world and is the third largest jewelry company in the US, behind Signet Jewelers and Tiffany & Co. In 2015, it produced more than 100 million pieces of jewelry and brought in 16.7 billion Danish kroner, or about $2.7 billion, in revenue. According to a Karus study, Pandora is the jewelry industry's most visited website, ahead of Tiffany, Blue Nile, and Swarovski, despite having only introduced e-commerce last year.
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While the brand sells necklaces, rings, and earrings, the bread and butter of the operation remains its charm bracelets, a cash cow that accounts for 80 percent of Pandora's sales.

Pandora used to release new collections twice a year, but in 2013, the company began debuting new jewelry seven times a year, with collections spaced less than two months apart. Bloomberg speculated that the company was taking a cue from fast fashion retailer Zara, which rolls out new product every two weeks.
http://www.racked.com/2016/8/23/12525316/pandora-jewelry-charm-bracelets
http://www.pandora.net/en-us/products/bracelets/by/metal/16