open source contributions,

participating in user research,

guest lecturing,

joining company boards,

mentoring,

freelance roles,

advising companies,

partnering on side projects,

designing products,

design projects,

giving design feedback,

beta testing new products,

coaching founders,

co-founding a company,

giving fundraising advice,

giving product reviews,

advising late stage companies,

advising early stage companies,

hiring,

student projects,

tutoring,

teaching,

going running,

playing soccer,

playing sports,

practicing a new language,

and providing translations.