This indicates that social communication is taking place through
comments or writing on the bulletin board since other people can evaluate the outcomes or give
feedback. This social interaction is exactly reflected in our Web 2.0 online MCY-mentoring
environment. In this sense, social interaction can provide scaffolding that leaner’s inner
communication lacks of. In addition, social interaction is more specific and accurate than usual
interaction since it occurs among people mediated by symbol-based artefacts, and also it may
derive more fruitful communication related to learning.