Research In Motion on Wednesday announced its acquisition of social calendar service provider Tungle. Tungle runs a like-named service that allows users to maintain a cloud-based calendar where events and schedules can easily be shared with contacts. The solution works across a variety of mobile and desktop platforms. “BlackBerry is a fantastic solution for connecting users to the people and information that matter most throughout their day,” said RIM’s VP of Collaboration and Social Networking, Tom Goguen, in a statement. “By working with Tungle to add cloud-based, cross-platform calendar capabilities to the BlackBerry platform we can further enrich our customers’ experience with BlackBerry and continue to help them get things done.”