  The informal learning in the workplace is realized during daily
collaborators' activities and represent more than 75 % of the learning
occurring in a company. Enterprise social networks are currently massively used
to promote this type of learning. From a pilot study, we show that they are
actually adapted concerning the social aspects, but that the design must be
rethought to consider user contextual needs linked to the content and access to
informational corpus, the information quality indicators and the forms of
moderation and control.

Computers and Society