Harav Yaakov Tzvi Blejer Business on Shabbos #9 – Internet Business on Shabbos HalachaHilchos ShabbosBusiness on Shabbos by Rabbi Blejer https://shiurim.kzmnmb.org/wp-content/uploads/audio/shiurim/2017/11/Business-on-Shabbos-9-Internet-Business-on-Shabbos.mp3