> The best > replacement to the bubble system I can think of is some source > management system, like git, hg, or svn. I'm not sure I'd be able to > easily sway my advisor to learn to use either one of those, though. I did a joint paper this year with someone in France using a subversion repository, and it worked wonderfully. That is, until the journal informed us that submissions needed to be made in MS Word format.. :) b.