“…In addition, previous research by the authors [1] identified that VW conferences have interaction social codes that are completely different from those common in real life conferences, where much less freedom is allowed. The authors were able to classify these VW conference social codes into the following six learning categories that they called "virtual world's conferences basics": technical learning, social codes learning, question session learning, learning about time perception and finally learning about exchanges of information [1]. Yet, few studies have been undertaken to understand in details how built-in digital backchannels are used by and can benefit participants in professional communication academic conferences within VW.…”