This is a mess.

The 1992 talk wasn't at all about AI and since then our phones have given us "ubiquitous computing" en masse.

The original talk required no 'artificial intelligence' for relevance which makes it strange to apply to todays artificial intelligence.

The original talk made good points for instance "voice recognition" has been solved forever at a reasonable level, yet people kept claiming if it was 'better' a 'magic experience' would pop out as if voice was different to typing. Idiots have been around for a long time.

Don't get what OP is trying to say.

'AI HUD metaphors' are very hard, that's why they are not ubiquitous, they require constant input. Spellcheck runs every character typed. Agents are because of less $.

'Hallucinations' also make 'AI HUD metaphors' problematic, for spellcheck squiggly red lines would be blinking on off all over the page as a LLM keeps coming back with different results.