diff --git a/taskflow/examples/pseudo_scoping.out.txt b/taskflow/examples/pseudo_scoping.out.txt
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+++ b/taskflow/examples/pseudo_scoping.out.txt
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+Running simple flow:
+Fetching number for Josh.
+Calling Josh 777.
+
+Calling many people using prefixed factory:
+Fetching number for Jim.
+Calling Jim 444.
+Fetching number for Joe.
+Calling Joe 555.
+Fetching number for Josh.
+Calling Josh 777.
diff --git a/taskflow/examples/pseudo_scoping.py b/taskflow/examples/pseudo_scoping.py
new file mode 100644
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+++ b/taskflow/examples/pseudo_scoping.py
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+# -*- coding: utf-8 -*-
+
+#    Copyright (C) 2014 Ivan Melnikov <iv at altlinux dot org>
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+import logging
+import os
+import sys
+
+logging.basicConfig(level=logging.ERROR)
+
+top_dir = os.path.abspath(os.path.join(os.path.dirname(__file__),
+                                       os.pardir,
+                                       os.pardir))
+sys.path.insert(0, top_dir)
+
+import taskflow.engines
+from taskflow.patterns import linear_flow as lf
+from taskflow import task
+
+# INTRO: pseudo-scoping by adding prefixes
+
+# Sometimes you need scoping -- e.g. for adding several
+# similar subflows to one flow to do same stuff for different
+# data. But current version of TaskFlow does not allow that
+# directly, so you have to resort to some kind of trickery.
+# One (and more or less recommended, if not the only) way of
+# solving the problem is to transform every task name, it's
+# provides and requires values -- e.g. by adding prefix to them.
+# This example shows how this could be done.
+
+
+# The example task is simple: for each specified person, fetch
+# his or her phone number from phone book and call.
+
+
+PHONE_BOOK = {
+    'jim': '444',
+    'joe': '555',
+    'iv_m': '666',
+    'josh': '777'
+}
+
+
+class FetchNumberTask(task.Task):
+    """Task that fetches number from phone book."""
+
+    default_provides = 'number'
+
+    def execute(self, person):
+        print('Fetching number for %s.' % person)
+        return PHONE_BOOK[person.lower()]
+
+
+class CallTask(task.Task):
+    """Task that calls person by number."""
+
+    def execute(self, person, number):
+        print('Calling %s %s.' % (person, number))
+
+# This is how it works for one person:
+
+simple_flow = lf.Flow('simple one').add(
+    FetchNumberTask(),
+    CallTask())
+print('Running simple flow:')
+taskflow.engines.run(simple_flow, store={'person': 'Josh'})
+
+
+# To call several people you'll need a factory function that will
+# make a flow with given prefix for you. We need to add prefix
+# to task names, their provides and requires values. For requires,
+# we use `rebind` argument of task constructor.
+def subflow_factory(prefix):
+    def pr(what):
+        return '%s-%s' % (prefix, what)
+
+    return lf.Flow(pr('flow')).add(
+        FetchNumberTask(pr('fetch'),
+                        provides=pr('number'),
+                        rebind=[pr('person')]),
+        CallTask(pr('call'),
+                 rebind=[pr('person'), pr('number')])
+    )
+
+
+def call_them_all():
+    # Let's call them all. We need a flow:
+    flow = lf.Flow('call-them-prefixed')
+
+    # We'll also need to inject person names with prefixed argument
+    # name to storage to satisfy task requirements.
+    persons = {}
+
+    for person in ('Jim', 'Joe', 'Josh'):
+        prefix = person.lower()
+        persons['%s-person' % prefix] = person
+        flow.add(subflow_factory(prefix))
+    taskflow.engines.run(flow, store=persons)
+
+print('\nCalling many people using prefixed factory:')
+call_them_all()