Those not willing to pay more for exclusivity must accept ads for competing agents on their listings
BHHS New England Properties has 1,500 agents in Connecticut, Rhode Island
Consumers now required to include phone number when contacting an agent
Agents will pay more for exclusive 'Connection for Co-Brokerage' leads
Martha Turner Properties' listings can't be used to generate referrals for other companies' agents
NAR listing portal will employ 'adaptive' home page
Listing brokers can opt out of program, get free pictures if they go along
