diff --git a/README.md b/README.md
index d5f7872..09825ca 100644
--- a/README.md
+++ b/README.md
@@ -82,8 +82,8 @@
             mpb.AppendDecorators(
                 // replace ETA decorator with "done" message, OnComplete event
                 decor.OnComplete(
-                    // ETA decorator with ewma age of 60
-                    decor.EwmaETA(decor.ET_STYLE_GO, 60, decor.WCSyncWidth), "done",
+                    // ETA decorator with ewma age of 30
+                    decor.EwmaETA(decor.ET_STYLE_GO, 30, decor.WCSyncWidth), "done",
                 ),
             ),
         )
diff --git a/_examples/barExtender/main.go b/_examples/barExtender/main.go
index 77cd05d..965925b 100644
--- a/_examples/barExtender/main.go
+++ b/_examples/barExtender/main.go
@@ -37,8 +37,8 @@
 			mpb.AppendDecorators(
 				// replace ETA decorator with "done" message, OnComplete event
 				decor.OnComplete(
-					// ETA decorator with ewma age of 60
-					decor.EwmaETA(decor.ET_STYLE_GO, 60), "done",
+					// ETA decorator with ewma age of 30
+					decor.EwmaETA(decor.ET_STYLE_GO, 30), "done",
 				),
 			),
 		)
diff --git a/_examples/cancel/main.go b/_examples/cancel/main.go
index df34882..a60bfe5 100644
--- a/_examples/cancel/main.go
+++ b/_examples/cancel/main.go
@@ -27,7 +27,7 @@
 		bar := p.AddBar(int64(total),
 			mpb.PrependDecorators(
 				decor.Name(name, decor.WCSyncWidthR),
-				decor.EwmaETA(decor.ET_STYLE_GO, 60, decor.WCSyncWidth),
+				decor.EwmaETA(decor.ET_STYLE_GO, 30, decor.WCSyncWidth),
 			),
 			mpb.AppendDecorators(
 				// note that OnComplete will not be fired, because of cancel
diff --git a/_examples/differentWidth/main.go b/_examples/differentWidth/main.go
index 5f87f14..683876d 100644
--- a/_examples/differentWidth/main.go
+++ b/_examples/differentWidth/main.go
@@ -34,8 +34,8 @@
 			mpb.AppendDecorators(
 				// replace ETA decorator with "done" message, OnComplete event
 				decor.OnComplete(
-					// ETA decorator with ewma age of 60
-					decor.EwmaETA(decor.ET_STYLE_GO, 60), "done",
+					// ETA decorator with ewma age of 30
+					decor.EwmaETA(decor.ET_STYLE_GO, 30), "done",
 				),
 			),
 		)
diff --git a/_examples/io/main.go b/_examples/io/main.go
index d437599..252a967 100644
--- a/_examples/io/main.go
+++ b/_examples/io/main.go
@@ -25,9 +25,9 @@
 			decor.Counters(decor.SizeB1024(0), "% .2f / % .2f"),
 		),
 		mpb.AppendDecorators(
-			decor.EwmaETA(decor.ET_STYLE_GO, 90),
+			decor.EwmaETA(decor.ET_STYLE_GO, 30),
 			decor.Name(" ] "),
-			decor.EwmaSpeed(decor.SizeB1024(0), "% .2f", 60),
+			decor.EwmaSpeed(decor.SizeB1024(0), "% .2f", 30),
 		),
 	)
 
diff --git a/_examples/merge/main.go b/_examples/merge/main.go
index 5f60a59..20d8065 100644
--- a/_examples/merge/main.go
+++ b/_examples/merge/main.go
@@ -40,7 +40,7 @@
 		bar := p.AddBar(int64(total),
 			pdecorators,
 			mpb.AppendDecorators(
-				decor.OnComplete(decor.EwmaETA(decor.ET_STYLE_GO, 60), "done"),
+				decor.OnComplete(decor.EwmaETA(decor.ET_STYLE_GO, 30), "done"),
 			),
 		)
 		// simulating some work
diff --git a/_examples/multiBars/main.go b/_examples/multiBars/main.go
index 229f4bc..3d42d70 100644
--- a/_examples/multiBars/main.go
+++ b/_examples/multiBars/main.go
@@ -29,8 +29,8 @@
 			mpb.AppendDecorators(
 				// replace ETA decorator with "done" message, OnComplete event
 				decor.OnComplete(
-					// ETA decorator with ewma age of 60
-					decor.EwmaETA(decor.ET_STYLE_GO, 60, decor.WCSyncWidth), "done",
+					// ETA decorator with ewma age of 30
+					decor.EwmaETA(decor.ET_STYLE_GO, 30, decor.WCSyncWidth), "done",
 				),
 			),
 		)
diff --git a/_examples/progressAsWriter/main.go b/_examples/progressAsWriter/main.go
index 9b9fbb9..61e819b 100644
--- a/_examples/progressAsWriter/main.go
+++ b/_examples/progressAsWriter/main.go
@@ -33,7 +33,7 @@
 			),
 			mpb.AppendDecorators(
 				decor.OnComplete(
-					decor.EwmaETA(decor.ET_STYLE_GO, 60, decor.WCSyncWidth), "done",
+					decor.EwmaETA(decor.ET_STYLE_GO, 30, decor.WCSyncWidth), "done",
 				),
 			),
 		)
diff --git a/_examples/quietMode/main.go b/_examples/quietMode/main.go
index 1ae1bd4..315fc3c 100644
--- a/_examples/quietMode/main.go
+++ b/_examples/quietMode/main.go
@@ -41,8 +41,8 @@
 			mpb.AppendDecorators(
 				// replace ETA decorator with "done" message, OnComplete event
 				decor.OnComplete(
-					// ETA decorator with ewma age of 60
-					decor.EwmaETA(decor.ET_STYLE_GO, 60), "done",
+					// ETA decorator with ewma age of 30
+					decor.EwmaETA(decor.ET_STYLE_GO, 30), "done",
 				),
 			),
 		)
diff --git a/_examples/reverseBar/main.go b/_examples/reverseBar/main.go
index 8eafb85..47d57c9 100644
--- a/_examples/reverseBar/main.go
+++ b/_examples/reverseBar/main.go
@@ -29,8 +29,8 @@
 			mpb.AppendDecorators(
 				// replace ETA decorator with "done" message, OnComplete event
 				decor.OnComplete(
-					// ETA decorator with ewma age of 60
-					decor.EwmaETA(decor.ET_STYLE_GO, 60), "done",
+					// ETA decorator with ewma age of 30
+					decor.EwmaETA(decor.ET_STYLE_GO, 30), "done",
 				),
 			),
 		)
diff --git a/_examples/spinnerBar/main.go b/_examples/spinnerBar/main.go
index 07526cd..68391e9 100644
--- a/_examples/spinnerBar/main.go
+++ b/_examples/spinnerBar/main.go
@@ -30,8 +30,8 @@
 			mpb.AppendDecorators(
 				// replace ETA decorator with "done" message, OnComplete event
 				decor.OnComplete(
-					// ETA decorator with ewma age of 60
-					decor.EwmaETA(decor.ET_STYLE_GO, 60), "done",
+					// ETA decorator with ewma age of 30
+					decor.EwmaETA(decor.ET_STYLE_GO, 30), "done",
 				),
 			),
 		)