Channel richness is, in part, determined by the ability to facilitate rapid, two-way feedback. this means that an instant message will be richer than , because:
this means that an instant message will be richer than an Email because we have - The ability of the channel to handle multiple cues simultaneousl - the ability of the channel to facilitate rapid, two-way feedback and - The ability of the channel to establish a personal focus for the communication On top of that, the development of smartphones make instant messaging much more simple and convenient compared to emails.