Nothing to scan
You meet someone at a stand in Amsterdam. Instead of a card that ends up in a bin, you say one line out loud. They can use it there, or in the taxi, or next week from memory.
Say this
I'm on mesj — matt.ford.
Robotics pilots, logistics and public innovation calls
The link is the fallback for WhatsApp, email or LinkedIn. It opens in their browser — they do not need to install anything to see your card.
Someone told you theirs
Exact handle only. mesj has no people search and no public directory.
A handle just for this show
Give out something like matt-robomercato for the two days you are there. It stops working afterwards.
Why this stays safe
Demonstration only. This prototype does not verify identity and is not yet end-to-end encrypted.