EXHIBIT 10.8
 
             ASSIGNMENT OF COMMERCIAL EXPLOITATION RIGHTS
             
             This is an assignment (the "Assignment"), effective as of July 
             25, 1997, of the rights and obligations of PointCast Japan, 
             L.L.C. (the "Assignor"), a Delaware limited liability 
             corporation, arising under the Commercial Exploitation Rights 
             Agreement, dated May 30, 1997 (the "Agreement") between PointCast 
             Incorporated, a California corporation ("PCI") and TransCosmos, 
             Incorporated ("TCI"), a Japanese corporation, as assigned to 
             Assignor by TCI in the assignment dated May 30, 1997 (the 
             "Original Assignment"), to PointCast K.K. (the "Assignee"), a 
             Japanese corporation.
             
             Recitals
             
             WHEREAS, PCI granted certain rights and licenses to TCI under the 
             Agreement; and
             
             WHEREAS, TCI has assigned such rights and licenses to LLC in the 
             Original Assignment; and
             
             WHEREAS, LLC wishes to assign its rights and licenses under the 
             Agreement and the Original Assignment together with its 
             obligations under the Agreement and the Original Assignment to KK 
             in accordance with the terms set forth herein.
             
             NOW THEREFORE, the parties hereby agree as follows:
             
             1.      Assignment.
             
             a.      Assignment of the Rights and Obligations under the 
             Agreement.  The Assignor hereby assigns and transfers unto 
             Assignee and unto Assignee's successors and assigns for good and 
             valuable consideration, the receipt and sufficiency of which are 
             hereby acknowledged by the Assignor, all right, title and 
             interest in and to the Agreement and to all rights and licenses 
             thereunder (the "Assigned Rights") and all obligations under the 
             Agreement effective from July 25, 1997.
             
             b.      Assumption of Obligations under the Agreement.  The 
             Assignee hereby assumes all obligations of Assignor under the 
             Agreement.  Assignor and Assignee shall be jointly and severally 
             liable for any obligation or liability of the Assignor under the 
             Agreement arising before the date hereof.
             
             
             2.      Representations and Warranties.
             
             a.      Representations and Warranties of the Assignor.  The 
             Assignor represents and warrants to the Assignee as follows:
             
             (i)     The Assignor is a limited liability company duly 
             organized and validly existing under the laws of the State of 
             Delaware and has full power, authority and legal right to execute 

 
             and deliver this Assignment, and to perform and observe the terms 
             and conditions hereof;
             
             (ii)    The execution and delivery of this Assignment and the 
             consummation of the transaction contemplated herein does not and 
             will not result in any breach of any applicable law, regulation, 
             order, writ, injunction or decree of any court or governmental 
             authority (domestic or foreign) or of any of the terms, 
             conditions or provisions of, or constitute a default under, or, 
             with notice or lapse of time, or both, constitute a default 
             under, or result in the creation of any lien upon any property or 
             assets of the Assignor pursuant to (a) the charter documents of 
             the Assignor, (b) any laws, regulations or instruments governing 
             the operations or activities of the Assignor or (c) any 
             indenture, agreement or other instrument to which the Assignor is 
             a party or by which it or its assets are bound;
             
             (iii)   No authorization, approval, filing or consent, other than 
             that provided for in Section 1(c) hereof, and no license, 
             exemption, order, notice, registration or other action of any 
             governmental agency or commission or public or quasi-public body 
             or authority is necessary for the due execution and delivery by 
             the Assignor of this Assignment;
             
             (iv)    The Agreement and this Assignment have been duly 
             authorized, executed and delivered by the Assignor and constitute 
             legal, valid and binding obligations of the Assignor, enforceable 
             against it in accordance with their respective terms;
             
             (v)     The Assigned Rights are free from all security interests, 
             liens, pledges, encumbrances and claims;
             
             (vi)    Since May 30, 1997, the Assignor has not terminated, 
             replaced, amended or waived any provision of the Agreement;
             
             (vii)   The Assignor has not assigned the Agreement or any of the 
             Assigned Rights to any third party;
             
             (viii)  No judicial or administrative proceedings are pending to 
             the knowledge of the Assignor which would adversely affect its 
             rights, obligations or licenses under this Assignment or under 
             the Agreement; and
             
             (ix)    The Assignor has paid all amounts due under Section 3 of 
             the Agreement.
             
             b.      Representations and Warranties of the Assignee.  Assignee 
             represents and warrants to the Assignor as follows:
             
             (i)     The Assignee is a company duly organized and validly 
             existing under the laws of Japan and has full power, authority 
             and legal right to execute and deliver this Assignment, and to 
             perform and observe the terms and conditions hereof;
             
             (ii)    The execution and delivery of this Assignment and the 

 
             consummation of the transaction contemplated herein does not and 
             will not result in any breach of any applicable law, regulation, 
             order, writ, injunction or decree of any court or governmental 
             authority (domestic or foreign) or of any of the terms, 
             conditions or provisions of, or constitute a default under, or, 
             with notice or lapse of time, or both, constitute a default 
             under, or, result in the creation of any lien upon any property 
             or assets of the Assignee pursuant to (a) the charter documents 
             of the Assignee, (b) any laws, regulations or instruments 
             governing the operations or activities of the Assignee or (c) any 
             indenture, agreement or other instrument to which the Assignee is 
             a party or by which it or its assets are bound;
             
             (iii)   No authorization, approval, filing or consent, and no 
             license, exemption, order, notice, registration or other action 
             of any governmental agency or commission or public or 
             quasi-public body or authority is necessary for the due execution 
             and delivery by the Assignee of this Assignment; and
             
             (iv)    This Assignment has been duly authorized, executed and 
             delivered by the Assignee and this Assignment (including the 
             obligations thereunder assumed by the Assignee hereby) 
             constitutes legal, valid and binding obligations of the Assignee, 
             enforceable against it in accordance with its terms.
             
             3.      Miscellaneous.
             
             a.      Counterparts.  This Assignment may be executed in any 
             number of counterparts, each of which shall be deemed an 
             original, but all of which together shall constitute one and the 
             same instrument.
             
                     b.      Notices.  Any and all notices, requests, demands 
             and other communications required or otherwise contemplated to be 
             made under this Assignment shall be in writing and in English and 
             shall be deemed to have been duly given (a) if delivered 
             personally, when received, (b) if transmitted by facsimile, upon 
             receipt of a transmittal confirmation, (c) if sent by registered 
             airmail, return receipt requested, postage prepaid, on the sixth 
             business day following the date of deposit in the mail or (d) if 
             by international courier service, on the second business day 
             following the date of deposit with such courier service, or such 
             earlier delivery date as may be confirmed to the sender by such 
             courier service.  All such notices, requests, demands and other 
             communications shall be addressed as follows:
             
                             (i)     If to the Assignor: 
             
                                     PointCast Japan, L.L.C.
                                     Sumitomoseimei Akasaka Bldg.
                                     3-3-3, Akasaka, Minato-ku
                                     Tokyo, Japan  107
                                     Attention:      Hiroshi Kaizuka
                                     Telephone:      011 81 3 3586 2880
                                     Facsimile:      011 81 3 3584 6079
             

 
                             (ii)    If to the Assignee:
             
                                     PointCast K.K.
                                     Toshin Aoyama Building
                                     3F, Shibuya 2-10-13, Shibuya-ku
                                     Tokyo 150, Japan 
                                     Attention:      Douglas W.C. Boake
                                     Telephone:      011 81 3 5468 1260
                                     Facsimile:      011 81 3 5468 1275
                                     
             
             or in each case to such other address or facsimile number as the 
             party may have furnished to the other party in writing.
             
             c.      Governing Law.  This Assignment shall in all respects be 
             governed by the laws of the State of California without reference 
             to its principles of conflicts of laws.   The parties hereby 
             agree that all disputes arising out of this Agreement shall be 
             subject to the exclusive jurisdiction of and venue in the federal 
             and state courts within Santa Clara County, California.  The 
             Assignor and the Assignee hereby consent to the personal and 
             exclusive jurisdiction and venue of these courts.
             
                     IN WITNESS WHEREOF, the parties have executed this 
             Assignment effective as of the date first set forth above.
             
             ASSIGNOR:
             PointCast Japan, L.L.C.
             
             
             By: /s/ Douglas Boake
             
             
             Name:   Douglas Boake
             
             
             Title:  Manager

             ASSIGNEE:
             PointCast K.K.
             
             
             By: /s/ Douglas Boake
             
             
             Name:   Douglas Boake
             
             
             Title:  President