Stephen Fiore has a lot of work here - tech interfaces letting team members leave marks of interaction or productivity (Fiore, Rosen, Smit-Jentsch, Salas, Letsky, & Warner, 2010); freeing up cognitive resources for other things (Cuevas, Fiore, Caldwell, & Strater, 2007); scaffolds or artifacts can take different forms (Fore & Schooler, 2004).