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Several threads have been reporting issues with bulk uploading keywords to Yahoo!'s new Search Marketing product (Panama). Because of that, I believe, Yahoo! is offering a one time courtesy upload of your keywords, hand done by Yahoo! for your account.
A WebmasterWorld thread has this message from an official Yahoo! representative, YahooSarah, said:
The bulk upload functionality is usually extended only to gold-tiered (or higher) accounts. However, we offer a one time courtesy of submitting your keywords to us. Simply send a copy of the .csv export of your keywords from your campaigns with other ad networks to our support center, which we will convert and upload the data into the account; or, send a copy of the file that you have converted, and we will upload that data into the account for you.
I am not sure if Yahoo! wanted me to publicize it, but if it is in the forums, it is fair game.
Forum discussion at WebmasterWorld.
