![]() of Library 2.0, containing seven building‐blocks of the phenomenon: interactivity, users, participation, libraries and library services, web and web 2.0, social aspects, and technology and tools. Written answers to the question “What is Library 2.0?” given by practitioners and researchers ( n =29) interested in Library 2.0 issues were analyzed by using co‐word analysis to map the underlying elements of the concept. The aim of this paper is to define both theoretically and empirically the concept of Library 2.0. Duolingo also incorporates web 2.0 community collaboration features in the fields of crowd-sourced translations and developing new language learning materials, whilst these features are unavailable on the uTalk platform. Whilst Duolingo focusses on approximately 30, uTalk boasts of more than 130. ![]() Another important difference is the number of languages each app offers. Duolingo is free of charge whereas utalk is available for a small fee in app format, or for an annual fee for an institutional license, which is uniquely delivered via the Shibboleth library system, making administration very easy. ![]() Tutors are able to set up virtual classrooms and assign homework to learners in Duolingo for Schools, whilst the tutor tools available for utalk are basic, but currently under development. In terms of tutor tools, Duolingo is far more sophisticated than uTalk. They are both available on all major PC and mobile platforms and offer learning materials that address the four skills, at least to some extent, and incorporate elements of gamification. Although there are similarities between the two apps, there are important differences which this paper will highlight. This paper will compare the two products with reference to Rosell-Aguilar's (2017: 253) framework, which includes criteria for consideration under the four following sub-headings: Language Learning, Pedagogy, User Experience and Technology. Two of the many products available include Eurotalk, recently rebranded as uTalk, and Duolingo. ![]() IWLP tutors often recommend students specific digital resources to support their learning. ![]()
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