SharePoint 2013 Release Date

Microsoft unintentionally announced the release date of SharePoint 2013. An official roadmap for Office 15 is found on Dutch Microsoft site by Maarten Visser. He also explained how he found the roadmap with a video on YouTube. According to the Microsoft roadmap SharePoint 2013 Beta will be released in the mid of this year and final version will be released in the first quarter of 2013.