If, like us, you frequent e-discovery conferences and CLE programs, you've doubtless heard a lot about how newer communication and collaboration tools are leading to an evolution in e-discovery law and practice. While email is still heavily used, it has been joined by, and in some industries displaced by, other methods of electronic interaction. For example, Slack, a messaging application comprised of topic or project-related workspace "channels" used for conversation and for sharing files and information, has replaced email in many companies, notably in newer, high tech companies.