Digital signage must be getting more mainstream if Sony has started pitching monitors specifically for digital signage applications.

See Digital Signage Monitor.

Now we need to get real digital signage content creation software.

Digital Signage Talk has a post on In-Restaurant Digital Signage which points to a case study on Helius Technorati Tag: Digital Signage

I kind of like the article at TV Technology about producing content for digital signage.

PowerPoint doesn't do much for me as a tool, however. 

Good comment over at Digital Signage Place on why a good audience measurement system is a must-have for digital signage to go large.  Here's the link.  

Hey, I'm famous already. Thanks for the link, Digital Signage Talk!