Salesforce is working on adding an HTML5 mobile app for their service and it looks like its coming. They just gave a demo of it running in the PlayBook browser and it looks great. They are working on a WebWorks version of it but they need to find a way to wipe it remotely. They also stood up with Groupon and showed off BBM integration with their apps. Groupon let you chat or share a deal over BBM and Salesforce is adding it to Chatter.
Here is the Groupon BlackBerry app with BBM integration: