Possible Clues:

• Write on this — not extended record, short announcement
• Heed secretary initially desiring thing for scribbling
• Writing tablet
• Secretary brought in clocked writer's block
• A place to write?
• Block of writing paper, rubbish taped on
• Celebrity flat is a place for comment?
• PA brought in recognised writer's block
• Personal assistant brought in important item of stationery
• Backward-looking lecturer keeping a favourite computer