diff --git a/azure-cli.pyproj b/azure-cli.pyproj
index 272586ace28..8982d5eb059 100644
--- a/azure-cli.pyproj
+++ b/azure-cli.pyproj
@@ -52,6 +52,9 @@
     <Compile Include="azure\cli\_util.py" />
     <Compile Include="azure\cli\__init__.py" />
     <Compile Include="azure\cli\__main__.py" />
+    <Compile Include="azure\cli\_telemetry.py">
+      <SubType>Code</SubType>
+    </Compile>
     <Compile Include="azure\__init__.py" />
   </ItemGroup>
   <ItemGroup>
diff --git a/requirements.txt b/requirements.txt
index 558ba24df39..0da2a62bd58 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,4 @@
+applicationinsights==0.10.0
 azure==2.0.0rc1
 mock==1.3.0
 pylint==1.5.4
diff --git a/src/azure/cli/__main__.py b/src/azure/cli/__main__.py
index 666cda4f24e..9ceb748a4ee 100644
--- a/src/azure/cli/__main__.py
+++ b/src/azure/cli/__main__.py
@@ -2,4 +2,15 @@
 
 import azure.cli.main
 
-sys.exit(azure.cli.main.main(sys.argv[1:]))
+from ._telemetry import init_telemetry, user_agrees_to_telemetry, telemetry_flush
+
+try:
+    try:
+        if user_agrees_to_telemetry():
+            init_telemetry()
+    except Exception: #pylint: disable=broad-except
+        pass
+
+    sys.exit(azure.cli.main.main(sys.argv[1:]))
+finally:
+    telemetry_flush()
diff --git a/src/azure/cli/_telemetry.py b/src/azure/cli/_telemetry.py
new file mode 100644
index 00000000000..d6a504b61b7
--- /dev/null
+++ b/src/azure/cli/_telemetry.py
@@ -0,0 +1,34 @@
+import getpass
+from applicationinsights import TelemetryClient
+from applicationinsights.exceptions import enable
+import azure.cli as cli
+
+client = {}
+
+def init_telemetry():
+    try:
+        instrumentation_key = 'eb6e9d3a-b6ee-41a6-804f-70e152fdfc36'
+
+        global client #pylint: disable=global-statement
+        client = TelemetryClient(instrumentation_key)
+
+        client.context.application.id = 'Azure CLI'
+        client.context.application.ver = cli.__version__
+        client.context.user.id = hash(getpass.getuser())
+
+        enable(instrumentation_key)
+    except Exception: #pylint: disable=broad-except
+        # Never fail the command because of telemetry
+        pass
+
+def user_agrees_to_telemetry():
+    # TODO: agreement, needs to take Y/N from the command line
+    # and needs a "skip" param to not show (for scripts)
+    return True
+
+def telemetry_flush():
+    try:
+        client.flush()
+    except Exception: #pylint: disable=broad-except
+        # Never fail the command because of telemetry
+        pass