Apple is rarely first to market: The iPod was hardly the first MP3 player; the iPad certainly not the first attempt at a tablet. Apple’s wrist-wearable device, whether or not it’s called the iWatch, will hardly be different. The category has been pioneered on the one hand by Pebble, Sony and Samsung, with “smartwatches” and on the other by Fitbit, with its fitness trackers…
Read more: http://www.forbes.com/sites/markrogowsky/2014/09/09/one-sure-thing-here-comes-the-hate-for-apples-iwatch/

By the same way the IBM & Microsoft built their PC MS DOS market on the skeleton of Digital Research, Inc., …, etc.