Live Meeting

1
Live Meeting

• Recording (LA)
• Full single-user editing (LA)
• Pointing (LA)
• Could share taxonomy slides also (AB)

• High feedthrough (LA)
• High feedback (all)
• 1 second
• Jitter in scrolling (LA)
• 2 User? (LA)
• Non-shared app shared? (LA)
• Only host copy/paste (LA)
• Floor control awkward (all)
• Only exposed regions of shared app visible (AB)
• Sometimes exposed region of non-shared app
  visible when switching apps (AB)

2
Google Spreadsheet

• Some single-user functionality missing (LA)
• Shortcuts, row/cell hiding (with so many rows!),
  buggy formatting, spell checking
• Conflicts possible (BC)
• New row additions disorienting (LA)
• Non-incremental auto-refreshing (LA)
• Lack of pointing (LA, BC)
• View awareness (LA)

• Concurrency possible (LA, BC)
• Low latency
• Built-in chat (LA, AB)
• Server-based, can be accessed anytime (BC)

3
Groove Workspace vs. Mail

• Merging (BC)
• No attachment overhead (BC)
• Not free (BC)
• Not swamped with emails (AB)
• Audio chat (LA)

• No merging (AB)
• Can get data only from connected user (BC)
• No version history (BC, LA)
• Can overwrite changes (LA)
• No backup (LA)
• Prefer manual merging (LA)

4
Groove Co-Edit using Word

• Good for asynchronous editing (AB)

• High latency (AB)
• Single inputter (AB)
• Workspace creator can always take control (LA)

5
Groove Text Editor

• Concurrency possible (BC)

• Warning when concurrent editing (LA)
• Latency in change propagation which overwrote
  text or created new copies? (LA)
• Need to save changes? (LA)

6
Groove Spreadsheet Concurrency/Undo

• Last change wins (LA, AB, BC)
• But no notification (LA)

• Users last change undone, possibly undoing later
  changes by other user (LA, BC, AB)
• Concurrent undo undoes each users change (LA)
• Insert/Delete Row broken (BC)

7
Writely Concurrency/Undo

• First persons overlapping change accepted (LA)
• Non overlapping change in same para creates
  copies of para? (LA)

• Undo works only locally (AB)
• Undo works only if one user edits (BC)
• Can only undo ones changes (LA)
• Can undo after saves (LA)
• Concurrent undo undoes each users change (LA)