Only for existing customers who use this sign-in. New accounts can not be created in this way.
Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/537.22 (KHTML, like Gecko) Chrome/25.0.1364.97 Safari/537.22 Perk/3.6.0.0
Mozilla/5.0 (Windows NT 5.1) AppleWebKit/537.22 (KHTML, like Gecko) Chrome/25.0.1364.97 Safari/537.22 Perk/3.3.0.0
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_8_5) AppleWebKit/537.22 (KHTML, like Gecko) Chrome/25.0.1364.152 Safari/537.22 Perk/3.6.0.0