Online reviews today play a significant role in the success of a business. Whether hotel or restaurant, online shop or hairdressing salon - anyone who offers services or goods, must deal with the subject of "reviews". While recommendations were previously spread by word of mouth, consumers now get their information from customer reviews on the Internet. A digital cycle has emerged: travelers inform themselves on the basis of reviews of previous guests about different hotels, decides on the basis of the positive (or critical) experience…