All these trips to the project team can be easily replaced by video posts. Just the interlocutors will see each other and calmly solve their questions.
Yes it is possible. But more interesting to travel

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Now the ICO team actively promote the project in different countyries. They visit different conferences and promote the ICO there. Offline promotion is also active. May be even more active then online.
Where did you get this information? Attending certain events is certainly not bad, but mass advertising is much better.