Keep all communication on the dating website until you are entirely comfortable with sharing your contact information with someone. (bestdatingsites.com)
You don't share your contact details with someone until you are really sure you want to, someone you have been talking to for a while and with whom you feel comfortable. (singledating.com)
Business cards are still the expected and most respected method of sharing contact info during in - person meetings, so don't disappoint. (topresume.com)