Hands-on
A workshop that can be any length in time.  It is interactive and facilitated by a technical presenter.

Masterclasses
A session that is a two hour in-depth presentation on a specific topic.

Panel Session
An interactive session with a panel of expert speakers.  This can be made up of one or more people and does not include a formal presentation. (i.e. no slides required) 
**If submitting a panel session please add your co-speaker names into the abstract.

Talk back
A 30 minute formal presentation, followed by a 30 minute Q & A or discussion.

Roundtable
An interactive session (without audio visual equipment) where attendees sit around one or more round tables and the session is facilitated by a knowledgeable presenter on the topic.