What is the key difference between negotiations via e$-$mail and via instant messaging?

Group of answer choices

Using e$-$mail can have the better effect of masking or reducing power differences between negotiators.

Negotiators using intricate arguments are more able to dominate the conversation in IM than in email.

Negotiators using complex arguments did better in IM but not in email.

Email is a "slow$-$tempo" medium, while IM is "fast$-$tempo" medium.