Still time for signups. Ideas covered are as follows, listed in order of should-have-done-yesterday to yeah-maybe-later:

– Use Google Reader to keep up with employees, trends, and news in your industry
– Use Google and Yahoo! news & blog search RSS feeds along with Yahoo! Pipes and FeedBurner to create custom competitive intelligence
– Use Flickr for finding, publishing, and sharing photos relating to your company
– Use Google Video to stream instructional videos and other corporate video assets
– Use Google Apps For Your Domain for complete out-of-the-box intranet (small businesses or independent-minded divisions)
– Use Google Gadgets for weather, world clocks, or just plain fun
– Use Live.com to create custom point-to-point maps
– Deploy WordPress to for feature-rich, extensible content management system
– Use social networking sites such as Facebook as an extension of your corporate conversation
– Use Zocalo to create prediction markets and tap hidden knowledge