[EN] E-learning has been adopted for several years in Greece and abroad, and it
is considered an integral part of blended learning. E-learning systems
accumulate a vast amount of data which may be very valuable. ...
[ES] This study examines the business models of four emblematic Digital
Disruptive Intermediaries (DDIs), Airbnb, TripAdvisor, Expedia and
Booking.com. The sources are constituted mainly by surveys, articles and
expert ...