Acting as an HR consultant, suggest team-building activities for a startup that encourage collaboration, communication, and problem-solving. Include both virtual and in-person activities, such as hackathons, group challenges, creative workshops, and social outings. Offer advice on how to align these activities with company values and goals, and how to measure the impact on team cohesion and performance. Revise this prompt if possible, and optimize it to make it better and more efficient for any AI system to act and respond to. If possible run your optimized version.