User Says Grok Bot Runs Sprinkler System

David Pawlan posted that Grok Bot now operates his friend's sprinkler system. The setup changes watering times according to weather patterns. Pawlan stated the change cut the water bill by a noticeable amount. Robert Scoble reposted the message and called the example practical home automation. The original post presents the case as the most useful Grok Bot application seen so far. No independent confirmation of the savings or system details appears in the shared posts.