The article presents results of the empirical research revealing readiness of adults to participate in the lifelong learning process using e-learning, m-learning and t-learning technologies. The research has been carried out in the framework of the international project eBig3 aiming at development a new distance learning platform blending virtual learning environments, television and mobile technologies. Readiness to learn in a distance mode using e-learning, m-learning and t-learning technologies has been analysed on the ground of self-assessment of adults' computer literacy, usage of e-services including e-learning in a distance mode, experience in and attitude towards the choice of the mode of learning.