 Player eligibility is limited to ACBL members that have played at least once at that club in the past 12 months.The BBO software provides pictures of cards and a chat window, and has become the dominant user of the Vugraph system of relaying real-life hands online.Through use of its internet technology, BBO transmits many world class tournaments live so that any interested BBO user can watch hands being played at a world class tournament in near real time.