Start your engines | Weekly roundup

• Do you know what today is? Blog Action Day, of course! Annually on October 15, bloggers around the Internet unite to raise awareness of and drive change for a specific issue. This year’s topic: Water. Learn more about how you can show your support on change.org.
• What do the new Facebook Groups mean for your organization’s old Groups (or your Page for that matter)? TJ Cook on HiDef blog has some tips to help you sort it out.
• But if Groups and Pages aren’t quite right for what your organization needs on Facebook, consider taking a closer look at Events. Alexandra Samuel has some great suggestions for how nonprofits can use the Events features to organize, invite participation, and keep people in the loop.
• A tip for email fundraising from Tom Belford on The Agitator: don’t over-plan. Immediacy and relevance is a big advantage of email communications–and if your schedule isn’t flexible enough to allow for responding to new ideas as they emerge, you’ll miss out on important opportunities to connect with your donors.
• Do you Delicious? Kristi Hines on Social Media Examiner has some great ideas for how your organization can use social bookmarking to stay organized and in-the-know.
• It’s official: self-driving Google cars are now zipping around the roads. I’m beginning to wonder if we’ll even notice the moment when computers take over the world.

A weekly roundup of interesting reads from the online world of nonprofit communications. Follow me on Twitter @elizabethricca for more noteworthy links.