A survey done of higher education business officers shows the trend rising to attract and keep students.

More virtual courses will be offered than there were a year and a half ago to meet student needs, Joseph Castro said, and each campus will find its balance.

Keeping lectures online prompted an angry response from some students, who started a petition saying that it was "ridiculous" and a "disgrace" - and calling for a "complete return to in-person teaching".

The four-day event will give higher ed leaders a chance to learn and collaborate to make change happen on their campuses.