Nowadays, interviews are often used to collect data from users, because it is popular research tool. If we can, than we use intensive digital technologies, and at the begining we've had only traditionall live interviews. With development of internet, online interview have evolved as well. More and more data is being collected online including qualitative data, wich we collect through interviews. An in-depth interviewing is an online research method conducted using computer-mediated communications, such as instant messaging, email, or video. Traditional in-depth interviewing is a live interview with a live conversation between two people in which one user/person asks questions to obtain specific information from the person whom those questions are intended. Diploma thesis with conducted interviews. I will also investigate differences and qualities of obtained informations. I will do an in-depth traditional interview and an in-depth interview online, then I will encode all the answers.