From a support email announcing the new features introduced in Google Apps, Google Docs Office and Gmail:
Mobile Google Office – If you have an iPhone, Blackberry, or Windows Mobile device, now you can point your phone’s browser to http://docs.google.com/m to view read-only, mobile-optimized versions of your docs and spreadsheets. (Your presentations, too, if you have an iPhone; we’ll be making this feature available for other devices shortly.) You might have to squint a little, but now your information will always be right there, in your pocket, wherever you go.
IMAP for Googe Apps email – The Gmail team is thrilled to announce the launch of IMAP support for Gmail, which lets you use your Google Apps email at work, in your car, or just about anywhere, on any device, while keeping information synced across all devices so that whatever you do in one place shows up everywhere else you might access your email. Instead of using POP, which isn’t able to sync changes made made on other devices with your online email, now you can configure IMAP for your account and enjoy the improved experience.
Google Spreadsheet – Now you can format spreadsheet cells based on rules. For example, you might choose to highlight past-due tasks by causing cells to turn red if they contain a date prior to today’s date. This feature gives you an excellent way to get an overview of the current state of complex or frequently changing spreadsheets. And because it’s always nice to eliminate clutter, we’ve also (finally) introduced a way of hiding (and unhiding) rows and columns.