I learned that all the e learners need to be involved and along with delivery or information the facilitator needs to keep track of students communication, recognizing that procrastinator or non involved learners can be brought along with reinforcement from the instructor.  The instructor needs to be aware of possible signs of attrition and try and be preemptive

I have learned that the visual cues that student might receive in a regular classroom setting aren't as easy to transmit in an on-line enviroment.  A higher value will need to be placed on written communication, leaving less chance for misinterpation.