Valid at participating locations in the United States and Canada. The referral must sign a new 12-month (minimum) Virtual Office agreement, a 6-month (minimum) Office agreement, a businessworld Platinum, or businessworld PlatinumPlus membership on or before December 31, 2009 in order for the Kindle to be received. Optional reward, in lieu of the Kindle: $200 American Express® Gift Card. Offer does not apply to Mailbox Plus, renewals, or same company name expansions into new markets. Not applicable for broker referrals or deals. All participants (referring client or referred client) must be in good standing with Regus and cannot be in default of any agreement with Regus at any location. Promotion dates: October 1, 2009 - December 31, 2009.