bar, or at a bookstore, college campus, rock club, or coffeehouse. Less commonly, they are also held at venues such as strip clubs and comic book shops. Comedy clubs may be the only open mic establishments that have a green room, a backstage area for performers waiting to go on stage where no audience members are present. Open mic nights give emerging comedians the opportunity to practice their stand-up routine, which they cannot do without a live audience. The audience for a typical comedy open mic is other comedians. Those underage must have their parents attend clubs with them. More experienced comedians may use open mics as an unpaid opportunity to work out newer material or a new character. Open mic comedy nights are most widespread in larger English-speaking cities with a well-established stand-up scene; the major examples include Boston, Chicago, London, and New York City. Stand-ups also use open mics for networking to find both paid and unpaid work opportunities, for making friends, or as a form of therapy. "The room" is the term for the setting of a comedy performance; comedians are said to gauge the audience by their ability to "read the room". Stand-up performances have a designated stage area and use a microphone with amplification as an industry standard. Open mics for comedy have no minimum requirements to perform, a format which is known as "show and go". At a typical comedy open mic, acts will get 3–7 minutes of stage time. The routine of a five-minute slot requires approximately three minutes of material. All stand-up comedy performed must be an original creation. The host of a stand-up comedy open mic tries to maintain an equilibrium of mood within "the room". Hosts will try to seat audience members close together near the designated front stage area because that seems to maximize the audience's feelings of enjoyment and may lead to increased laughter; of one such event, a reviewer wrote, "Tightly arranged seating within the comedy room created physical discomfort for audience members... yet audience members often talked about how much they enjoyed 'the feeling of a full house'. Conversely, when shows were not sold out and audience members had more room to spread out among empty tables and chairs, audience members were less likely to relate their experiences as one of entertainment or enjoyment." The host introduces each act by reciting the name that was placed