HCD.21:3 - Forces

• Complementary experience can reveal a missed condition, while excessive preparation differences make its explanation inaccessible.
• Stable relationships reduce repeated orientation, while new participants can challenge an unexamined assumption.
• A matching algorithm can compare many candidates, while permissions, availability and uncertain preparation resist a single precise score.
• Shared dates make coordination easier, while a fixed date can exclude an otherwise useful participant.
• A newcomer can contribute an idea, while the group can ignore it without ever testing its relevance.