4) VR + AI practice platforms (VirtualSpeech)
Strengths: Realistic simulation of auditoriums, front-row distractions, Q&A roleplay and instant analytics on eye contact, pace, filler words; measurable progress via analytics. Weaknesses: requires hardware for full VR immersion (though browser versions exist); subscription cost. Best for: high-stakes presenters, sales teams and people who want measurable rehearsal outcomes. (VirtualSpeech)
VirtualSpeech — VR & AI practice demo (immersive rehearsal, analytics & roleplay)
(YouTube)