With wikis, Google Spreadsheets, and other online collaborative processes, which do you prefer as a useful substitute to e-mail?
Group projects typically involve back and forth e-mail messages that can be quite cumbersome to click through, not to mention very flat. With Web 2.0, is there an alternative to e-mail that is preferred for collaborative word processing and sharing information?
This question is in the General Section. Responses must be helpful and on-topic.