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The earliest type of messaging was sending a simple thumbs up or thumbs down to the other home, using a repurposed TiVo remote. Later, participants could use a keyboard for real-time chatting or invite friends to watch a show

Patterns in behavior

Metcalf's team is still combing through the latest testing data but observed some general behavior patterns. Elaine Huang, senior staff researcher, said "conversations are pushing out beyond TV," with one group of users proposing a pizza outing over chat. Joe Tullio, senior research scientist, saw that male viewers were chatting more with their friends' significant others.