As companies such as Samsung prepare to enter the smart-watch space, it's time to take a look at the "original" smart watch: the Pebble. The Pebble smart watch is the most successful Kickstarter project of all time, raising more than $10 million from 85,000 backers. Last month, the company announced that it had over 190,000 pre-orders on its website, meaning that more than 275,000 orders were plac