Pandora is a pretty cool internet music service. Occasionaly tehy seem to be at a loss to what to play you. If that happens they give you this lovely message.
Good software design I say.
Keep the users informed about whats going on.
When was the last time a long running SAP financials report said: ‘Your year end is taking a tad longer than expected. Hold on to your hat and we will have the bottom line with you soon‘.