I have seen a few mappers recently adding contact:[ yelp | tripadvisor | foursquare ] to businesses.
IMHO these are not means of contact, instead these are review websites. While I personally think that we do not need them in OSM at all, they certainly do not belong in the contact:* namespace.
Opinions? Tom _______________________________________________ Tagging mailing list Tagging@openstreetmap.org https://lists.openstreetmap.org/listinfo/tagging