Contacting Roommates & Landlords

• How do I contact other iROOMit users?
• Can any iROOMit user contact me?
• What is an 'Instant Message'?
• How do I get more 'Instant Messages'?
• What is a 'Match'?
• How do I get more 'Matches'?
• I cannot find a profile that I favorited
• One of my matches is no longer showing as a match