diff --git a/example b/example
index 1dedb6f..f6aa1e7 100644
--- a/example
+++ b/example
@@ -16,3 +16,64 @@ Number of brokers:       2
 Number of partitions:    8
 Total broker depth:      89.9GB
 Total delta:             1.8MB
+
+
+##### No format option #####
+skmon --zserver zookeeper0 --topology FooTopology --spoutroot /consumers
++--------+-------+-----------+-----------+-----------+-----------+------------+-----------+-------+
+| Broker | Topic | Partition |  Earliest |    Latest |     Depth |   Spout    |   Current | Delta |
++--------+-------+-----------+-----------+-----------+-----------+------------+-----------+-------+
+| kafka0 |  hoge |     0     | 536871088 | 614696053 |  77824965 | bar_spout  | 614659926 | 36127 |
+| kafka1 |  hoge |     0     |         0 | 421117523 | 421117523 | bar_spout  | 421103798 | 13725 |
++--------+-------+-----------+-----------+-----------+-----------+------------+-----------+-------+
+
+Number of brokers:       2
+Number of partitions:    2
+Total broker depth:      498942488
+Total delta:             49852
+
+
+##### With friendly option #####
+skmon --zserver zookeeper0 --topology FooTopology --spoutroot /consumers --friendly
++--------+-------+-----------+-----------+-----------+---------+-----------+-----------+--------+
+| Broker | Topic | Partition |  Earliest |    Latest |   Depth |   Spout   |   Current |  Delta |
++--------+-------+-----------+-----------+-----------+---------+-----------+-----------+--------+
+| kafka0 |  hoge |     0     | 536871088 | 614696053 |  74.2MB | bar_spout | 614659926 | 35.3KB |
+| kafka1 |  hoge |     0     |         0 | 421117523 | 401.6MB | bar_spout | 421103798 | 13.4KB |
++--------+-------+-----------+-----------+-----------+--------+------------+-----------+--------+
+
+Number of brokers:       2
+Number of partitions:    2
+Total broker depth:      475.8MB
+Total delta:             48.7KB
+
+
+##### With commify option #####
+skmon --zserver zookeeper0 --topology FooTopology --spoutroot /consumers --commify
++--------+-------+-----------+-------------+-------------+-------------+-----------+-------------+--------+
+| Broker | Topic | Partition |    Earliest |      Latest |       Depth |   Spout   |     Current |  Delta |
++--------+-------+-----------+-------------+-------------+-------------+-----------+-------------+--------+
+| kafka0 |  hoge |     0     | 536,871,088 | 614,696,053 |  77,824,965 | bar_spout | 614,659,926 | 36,127 |
+| kafka1 |  hoge |     0     |           0 | 421,117,523 | 421,117,523 | bar_spout | 421,103,798 | 13,725 |
++--------+-------+-----------+-------------+-------------+-------------+-----------+-------------+--------+
+
+Number of brokers:       2
+Number of partitions:    2
+Total broker depth:      498,942,488
+Total delta:             49,852
+
+
+##### With friendly and commify options #####
+skmon --zserver zookeeper0 --topology FooTopology --spoutroot /consumers --friendly --commify
++--------+-------+-----------+-------------+-------------+---------+-----------+-------------+--------+
+| Broker | Topic | Partition |    Earliest |      Latest |   Depth |   Spout   |     Current |  Delta |
++--------+-------+-----------+-------------+-------------+---------+-----------+-------------+--------+
+| kafka0 |  hoge |     0     | 536,871,088 | 614,696,053 |  74.2MB | bar_spout | 614,659,926 | 35.3KB |
+| kafka1 |  hoge |     0     |           0 | 421,117,523 | 401.6MB | bar_spout | 421,103,798 | 13.4KB |
++--------+-------+-----------+-------------+-------------+---------+-----------+-------------+--------+
+
+Number of brokers:       2
+Number of partitions:    2
+Total broker depth:      475.8MB
+Total delta:             48.7KB
+
diff --git a/stormkafkamon/monitor.py b/stormkafkamon/monitor.py
index 90ba362..125194b 100755
--- a/stormkafkamon/monitor.py
+++ b/stormkafkamon/monitor.py
@@ -19,19 +19,33 @@ def sizeof_fmt(num):
 def null_fmt(num):
     return num
 
-def display(summary, friendly=False):
+def comma_fmt(num):
+    return "{:,d}".format(num)
+
+def display(summary, friendly=False, commify=False):
+    if commify:
+        cfmt = comma_fmt
+    else:
+        cfmt = null_fmt
+
     if friendly:
         fmt = sizeof_fmt
     else:
-        fmt = null_fmt
+        fmt = cfmt if commify else null_fmt
 
     table = PrettyTable(['Broker', 'Topic', 'Partition', 'Earliest', 'Latest',
                         'Depth', 'Spout', 'Current', 'Delta'])
-    table.align['broker'] = 'l'
+    table.align['Broker'] = 'l'
+    table.align['Earliest'] = 'r'
+    table.align['Latest'] = 'r'
+    table.align['Depth'] = 'r'
+    table.align['Current'] = 'r'
+    table.align['Delta'] = 'r'
 
     for p in summary.partitions:
-        table.add_row([p.broker, p.topic, p.partition, p.earliest, p.latest,
-                      fmt(p.depth), p.spout, p.current, fmt(p.delta)])
+        table.add_row([p.broker, p.topic, p.partition, cfmt(p.earliest),
+                      cfmt(p.latest), fmt(p.depth), p.spout, cfmt(p.current),
+                      fmt(p.delta)])
     print table.get_string(sortby='Broker')
     print
     print 'Number of brokers:       %d' % summary.num_brokers
@@ -75,6 +89,8 @@ def read_args():
         help='Root path for Kafka Spout data in Zookeeper')
     parser.add_argument('--friendly', action='store_const', const=True,
                     help='Show friendlier data')
+    parser.add_argument('--commify', action='store_const', const=True,
+                    help='Comma format')
     parser.add_argument('--postjson', type=str,
                     help='endpoint to post json data to')
     return parser.parse_args()
@@ -96,7 +112,8 @@ def main():
         if options.postjson:
             post_json(options.postjson, zk_data)
         else:
-            display(zk_data, true_or_false_option(options.friendly))
+            display(zk_data, true_or_false_option(options.friendly),
+                    true_or_false_option(options.commify))
 
     return 0