RESELLER shall make its best efforts to market and sell the Software in the TERRITORY, including, but not limited to, advertising and participating in exhibitions and professional conferences and seminars. RESELLER shall inform TECHHEIM regarding customer information and system configuration prior to receiving licenses of the Software. RESELLER agrees to accept changes recommended by TECHHEIM provided that such changes are reasonably based on regulatory requirements, medical/scientific purpose, or TECHHEIM's trademarks and copyright.