1 files changed, 7 insertions, 0 deletions
diff --git a/main.go b/main.go
index c3fc8c6..b066d35 100644
--- a/main.go
+++ b/main.go
@@ -1,6 +1,8 @@
 package zoopb
 
 import (
+	"time"
+
 	"go.wit.com/log"
 )
 
@@ -17,3 +19,8 @@ func InitMachine() *Machine {
 
 	return machine
 }
+
+func (m *Machine) SinceLastUpdate() time.Duration {
+	age := m.Laststamp.AsTime()
+	return time.Since(age)
+}