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A widget that opens itself three seconds after arrival interrupts someone who is reading. It is the single most common complaint and it is entirely self-inflicted.
Be available and visible without demanding attention. Proactive opening can work on a page where someone is plainly stuck, and almost nowhere else.
Say what it is. Pretending produces a worse reaction the moment the pretence fails, which it always does — and it feels like a deception rather than a limitation.
People are largely willing to use a bot that is useful. They are not forgiving about being misled regarding what they were talking to.
Usually not. It interrupts reading and is the commonest complaint.
No. Say what it is; being misled is far less forgivable than being limited.
Trapping someone with no route to a person, or losing context on handover.
Half an hour with your own data usually saves reading three of these. The guides will still be here afterwards.