Following along with the theme of this issue of IEEE Software, this column reports papers about digital twins from the 2021 Empirical Assessment in Software Engineering (EASE’21) conference, the 2021 International Conference on Software Engineering (ICSE 2021), the 2021 International Symposium on Software Engineering for Adaptive and Self-Managing Systems (SEAMS 2021), the 2021 European Conference on Software Architecture (ECSA 2021), and the 15th International Workshop on Models@Run.Time, a part of MODELS 2021. Feedback or suggestions are welcome. In addition, if you try or adopt any of the practices included in the column, please send us and the authors a note about your experiences.