Jan Zając

Aula Polska

2 presentations

in Digital Marketing

2 presentations

#digitalfest

1 presentation

Data Science Warsaw

1 presentation

East-Media

1 presentation

Internet Beta

1 presentation

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Konferencja Lunch z e-commerce

1 presentation

KrakSpot

1 presentation

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Local-Some

1 presentation

M@il My Day

1 presentation

Sektor 3.0

1 presentation

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social enterprise

1 presentation