Bedbugs Registry – Montreal Map is a website that allow people to report the presence of bedbugs and to consult their public and free database to verify adress.  With over 20 000 reports since 2006, Bed Bug Registry help bpeople to know if others had encoutered bedbugs in an hotel or in a spefific apartment. The authors of  Bedbugregistry,com  have built this site after a traumatic experience in an hotel of SanFrancisco. Since it bacame a little viral.