SIP theory proposes that while computer-mediated communication lacks nonverbal cues, people can still develop close relationships through CMC given enough time. It posits that CMC users rely on verbal cues and self-disclosure in text to convey relational messages. Experimental evidence supports this idea, finding that relationships formed through CMC can become as intimate as those formed in person, if CMC users have an extended period of time to communicate and anticipate future interactions.