diff --git a/IPython/parallel/client/client.py b/IPython/parallel/client/client.py
index 79d54a4..4571023 100644
--- a/IPython/parallel/client/client.py
+++ b/IPython/parallel/client/client.py
@@ -49,6 +49,7 @@ from IPython.parallel import error
 from IPython.parallel import util
 
 from IPython.zmq.session import Session, Message
+from IPython.zmq import serialize
 
 from .asyncresult import AsyncResult, AsyncHubResult
 from .view import DirectView, LoadBalancedView
@@ -184,6 +185,7 @@ class Metadata(dict):
               'stdout' : '',
               'stderr' : '',
               'outputs' : [],
+              'data': {},
               'outputs_ready' : False,
             }
         self.update(md)
@@ -768,7 +770,7 @@ class Client(HasTraits):
 
         # construct result:
         if content['status'] == 'ok':
-            self.results[msg_id] = util.unserialize_object(msg['buffers'])[0]
+            self.results[msg_id] = serialize.unserialize_object(msg['buffers'])[0]
         elif content['status'] == 'aborted':
             self.results[msg_id] = error.TaskAborted(msg_id)
         elif content['status'] == 'resubmitted':
@@ -864,6 +866,9 @@ class Client(HasTraits):
                 md['outputs'].append(content)
             elif msg_type == 'pyout':
                 md['pyout'] = content
+            elif msg_type == 'data_message':
+                data, remainder = serialize.unserialize_object(msg['buffers'])
+                md['data'].update(data)
             elif msg_type == 'status':
                 # idle message comes after all outputs
                 if content['execution_state'] == 'idle':
@@ -1209,7 +1214,7 @@ class Client(HasTraits):
         if not isinstance(metadata, dict):
             raise TypeError("metadata must be dict, not %s"%type(metadata))
 
-        bufs = util.pack_apply_message(f, args, kwargs,
+        bufs = serialize.pack_apply_message(f, args, kwargs,
             buffer_threshold=self.session.buffer_threshold,
             item_threshold=self.session.item_threshold,
         )
@@ -1538,7 +1543,7 @@ class Client(HasTraits):
                 
                 if rcontent['status'] == 'ok':
                     if header['msg_type'] == 'apply_reply':
-                        res,buffers = util.unserialize_object(buffers)
+                        res,buffers = serialize.unserialize_object(buffers)
                     elif header['msg_type'] == 'execute_reply':
                         res = ExecuteReply(msg_id, rcontent, md)
                     else: