7. Time-space constraint: Do senders and receivers need to communicate at the same time and in the same space?
8. Cost: How much does it cost to use this method?
9. Interpersonal warmth: How well does this method convey interpersonal warmth?
10. Formality: Does this method have the needed amount of formality?
11. Scan-ability: Does this method allow the message to be easily browsed or scanned for relevant information?
12. Time of consumption: Does the sender or receiver exercise the most control over when the message is dealt with?