Americans waiting for the Skype for Outlook.com preview can stop twiddling their thumbs -- the test release is now available in the US, complementing existing access in Brazil, Canada, France, Germany and the UK. As in other countries, stateside users with merged Outlook.com and Skype accounts just have to install a plugin for Chrome, Firefox or Internet Explorer to make calls while checking email. Those in other regions will have to sit tight, however; Microsoft only promises world
