A Mega-Study of Digital Twins Reveals Strengths, Weaknesses and Opportunities for Further Improvement. - Tianyi Peng; George Z. Gui; Daniel J. Merlau; Grace Jiarui Fan; Malek Ben Sliman; Melanie Brucks; Eric J. Johnson; Vicki Morwitz; Abdullah Althenayyan; Silvia Bellezza; Dante Donati; Hortense Fong; et al. (CoRR, 2025)