According to research by Salas-Rueda (2016), audio-visual content facilitates the teaching-learning process. Blogger gives the facility to insert a YouTube video, as mentioned in Figure 1. But, the steps involved in attaching a video may be, publishing a video (lengthy process in itself) and then refer it here.
Figure 1. Option to attach video in Blogger.com with possible improvement.
As per Nielsen (1995), a system should cater both inexperienced and experienced users. Had there been a webcam option in Blogger for videos, it would have been more flexible and efficient to use.
Nielson, J. (1995, January 1). 10 Usability Heuristics for User Interface Design. Retrieved March 02, 2016, from https://www.nngroup.com/articles/ten-usability-heuristics/
Salas-Rueda, R. (2016). The impact of usable system for regression analysis in higher education.International Journal of Educational Technology in Higher Education,13(1), 1-10.