Basically, I selected characteristics of a specific type of product and associated digital technologies that enable these characteristics in a framework throught articles that I read, but I cannot delineate a proper methodology in my paper.
The following sources should be helpful, particularly: Taxonomy of Literature Reviews (Randolph, 2009, pp. 2-4); Literature Review Scoring Rubric (Boote and Beile, 2005, p. 8); DARE Methodology/Argumentative strategies in typical reviews (Rowe, 2014, pp. 247-249).
Baker, M. J. (2000). Writing a Literature Review. The Marketing Review, 1, 2, pp. 219-247.
Boote, D. N. and Beile, P. (2005). Scholars before researchers: On the centrality of the dissertation literature review in research preparation. Educational researcher, 34, 6, pp. 3-15.
Booth, A., Papaioannou, D. and Sutton, A. (2012). Systematic Approaches to a Successful Literature Review, London, SAGE Publications Ltd.
Randolph, J. J. (2009). A Guide to Writing the Dissertation Literature Review. Practical Assessment, Research and Evaluation, 14, 13, pp. 1-12.
Rocco, T. S. and Plakhotnik, M. S. (2009). Literature reviews, conceptual frameworks, and theoretical frameworks: Terms, functions, and distinctions. Human Resource Development Review, 8, 1, pp. 120-130.
Rowe, F. (2014). What literature review is not: diversity, boundaries and recommendations. European Journal of Information Systems, 23, 3, pp. 241-255.
Is literature review a qualitative research method?: https://www.researchgate.net/post/Is_literature_review_a_qualitative_research_method/1