Ouch...

Working in the web business, these types of stories give me stomach knots and anxiety attacks. *shudder*

After a weekend upgrade, Yahoo's search engine ad system first slowed to a crawl, and then went belly up on Monday, preventing marketers from making changes to their campaigns, accessing their accounts and, in many cases, even having their ads run at all. Yahoo support representatives are telling clients that they themselves can't access their accounts and have no idea when the problem - now in its third day - will be fixed.

MarketingVOX :: Yahoo Ad System Crashes, Still Down