PLEASE NOTE: RATES HAVE BEEN NEGOTIATED WITH THE HOTELS, ESPECIALLY FOR  BITS 2009. SUCH RATES ARE ONLY AVAILABLE THROUGH PROMOEST. Notice that in order to book the hotel you must submit your personal data first. At the end of the registration your Credit Card number (VISA and MASTERCARD only) will be required. For any request , variation or cancellation please contact bits2009hotel@promoest.com