Here’s the latest cool stuff we found online this week. Enjoy, and have a great weekend!

• A good national round-up of water headlines from @EwingIrrigation
• The difference between PR and advertising.
• The secret formula for great customer service.
• Jeff Korhan on personal vs. business social media accounts.
• Design inspiration from Burle Marx.
• Richard Restuccia will speak on how to green your grounds program next week.
• Stewcare has a pretty robust YouTube channel.
• Above: How Bill Murray, tuxedos and a network of chubby rodents made Groundhog Day a national holiday.