It seems as that the initial 12,000 beta testers isn't enough, so IBM is publically allowing computer users to sign up for a free open beta program for Lotus and Domino 8. The completed versions of which are expected to be launched in mid-summer. The software touts new features such as a redesigned interface that facilitates quick views of important e-mails by grouping them into threads and enhanced search capabilities that extend beyond the in-box. Beyond the new collaborative features in Lotus Notes, IBM in January introduced Lotus Connections, software that the company says paves the way for "business-grade social computing." Connections allows on MySpace-like sites, or rather, corporate intranets for office workers.