Whats'App groups are already well used to send messages, especially among young people in chaplaincy and Frat (high school students). They are less and less users of emails (which can be sent by Enoria). even if I grant you, activity monitoring (presence) is more natural in Enoria, but is it really useful to have this monitoring. or in other words, if we want follow-up, we “impose” the emails on the group, otherwise we “impose” the emails on the group, otherwise we do it lighter by managing registrations in Enoria (very useful for monitoring from year to year) and the management of Whats'App activities