Intridea has launched a new public microblogging service for professionals. Presently.com, based of the private network Present.ly, the new service offers group messaging, video and file sharing, and the ability to post messages beyond the normal 140 character limit. Presently.com has also been selected as the official microblogging platform for South by Southwest 2009, allowing attendees to get real-time updates from the annual festival. The service is live and registrations are open to all.