My current status (unrelated to Mark's above). I think my export from Yahoo happened overnight (Sat26 into Sunday27).
10/27: Your group is awaiting import into Groups.io. There are about 527 groups ahead of it in the queue. [Step 3 of 4] 10/28: Your group is awaiting import into Groups.io. There are about 506 groups ahead of it in the queue. [Step 3 of 4] 10/29: Your group is awaiting import into Groups.io. There are about 487 groups ahead of it in the queue. [Step 3 of 4] 10/30: Your group is awaiting import into Groups.io. There are about 462 groups ahead of it in the queue. [Step 3 of 4] 10/31: Your group is awaiting import into Groups.io. There are about 433 groups ahead of it in the queue. [Step 3 of 4] 11/01: Your group is awaiting import into Groups.io. There are about 423 groups ahead of it in the queue. [Step 3 of 4]
11/05 (early): Your group is awaiting import into Groups.io. There are about 302 groups ahead of it in the queue. [Stage 3 of 4] 11/05 (late): Your group is awaiting import into Groups.io. There are about?218?groups ahead of it in the queue. [Stage 3 of 4] 11/07 (early): Your group is awaiting import into Groups.io. There are about 2 groups ahead of it in the queue. [Stage 3 of 4]