My mailbox was flooded with a bunch of emails from Yahoo over the holidays. In the next week or so, a bunch of accounts will automatically be upgraded to the new Panama system. If you do not have an online marketing consultant managing this for you, don’t fear; you really don’t have much to worry about. If you don’t get to it right away, the ads will still show and you’ll still get traffic. The only real disadvantage is that you won’t be able to use the new keyword tool, geotargeting or other cool features straight away.
The upgrade notification email mentions that the upgrade may take up to 8 hours to complete, well for most accounts, which have a few hundred keywords, it’ll be literally minutes. Once the upgrade is complete you’ll get another email with the new login URL, which doesn’t use a login capture (hurray for roboform users!).
Good luck with the upgrade, I’m sure you’ll love the new interface and features.