We upgraded the system on Tuesday to enhance the post editor (including auto-saving your post and support for tables), provide a mobile (smartphone/tablet) layout, among other changes. I'm sorry to say that we encountered several significant problems that were not immediately apparent so we have now reverted the system to a backup from Tuesday morning before the upgrade.
I have sent copies of the posts made in the interim to the members who posted them asking them to be reposted.
It also seems like a couple of batches of banner only digests went out as well.
Please accept my sincere apologies for this inconvenience. Thank you for your patience and understanding.