Stewart Butterfield, a co-founder of Flickr, has taken his communication tool Slack out of beta and opened it up to the rest of us. So far as I can gather, the idea is that if you’re working with a team (however defined) you might wish to have all your communications in one searchable place, whether they originated as emails or SMS texts. Slack is meant to provide just such an all-purpose communication function. The story in Gigaom will explain it better than I can, because I’ve not had a chance to try it yet.
Functionality depends on subscription level, but . . . [more]