I'm probably too late to chime in on this discussion, but as a reporter I love topsy.com for hashtag tracking, etc. As long as the account is extant, not deleted, it can find even deleted tweets. Lorraine Murphy http://dailydot.com -- raincoaster <http://raincoaster.com>: 49 degrees latitude, 360 degrees attitude! raincoaster media <http://raincoastermedia.com>: transformative social media training