GC-Booster.com may amend this Agreement at any time by posting the amended and restated Agreement on this Site. The amended and restated Agreement shall be effective immediately upon posting. This Agreement was last amended on May 14 2008. Posting by GC-Booster.com of the amended and restated Agreement and your continued use of the Service shall be deemed to be acceptance of the amended terms. This Agreement may not otherwise be modified except in writing by an authorized officer of GC-Booster.com.