Looks like dotMac HomePage is down, and also Flickr is down. No screenshots until Flickr is back up, and, more painfully, no metadata updates until dotMac is back up.
Update: Looks like both are fixed now.
Home of the Midnight Mars Browser software, which allows users to view slideshows and "virtual reality" panoramas of images from the Mars Exploration Rovers "Spirit" and "Opportunity".
