Zacznij słuchać teraz, zrezygnuj kiedy chcesz.

Socialized!: How the Most Successful Businesses Harness the Power of Social: How the Most Successful Businesses Harness the Power of Social - Mark Fidelman
Socialized!: How the Most Successful Businesses Harness the Power of Social: How the Most Successful Businesses Harness the Power of Social - Mark Fidelman