[Skype] 1 Month of Skype Unlimited World Calls -- FREE

Skype (via Acer UK Facebook page) is offering 1 month of free calls simply by registering your email address. According to the site, you will receive an email with a voucher code within 24 hours which can be redeemed.
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you’re eligible to make calls to landlines and mobile phones in Canada, China, Guam, Hong Kong SAR, Puerto Rico, Singapore, Thailand and United States and calls to only landlines in Andorra, Argentina, Australia, Austria, Belgium, Brazil, Brunei, Bulgaria, Chile, Colombia (excluding rural areas – LEX), Costa Rica, Croatia.

Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Guadeloupe, Hungary, Iceland, Indonesia (Jakarta only), Republic of Ireland, Israel, Italy, Japan, Korea, Latvia, Lithuania, Luxembourg, Malaysia, Malta, Mexico , Morocco, Netherlands, New Zealand, Norway, Panama, Paraguay, Peru, Poland, Portugal, Romania, Russia, Slovakia, Slovenia, South Africa, Spain, Sweden, Switzerland, Taiwan, Turkey, United Kingdom, and Venezuela.