Is an NFC tag a good way to share your contact details?
When you hand something over repeatedly and want the exchange to feel deliberate. For giving one number to one person, saying it out loud is still faster, and the phone you are both holding already has a sharing feature that needs no object.
When it wins
When you do it often. A tap that saves thirty seconds is worth nothing once and worth something every day.
When the object is part of the impression: at an event, at a market stall, across a counter. Handing something over is a different act from reciting a number.
When the other person is holding a phone anyway and would otherwise be typing.
And when what you share is more than a number: several ways to reach you, a portfolio, a booking page.
When it loses
For one number, once. Saying it is faster and needs no object, no explanation and no working phone.
When the other person does not know what to do. An unexplained object produces a pause, and the pause costs more than the typing would have.
When their phone will not tap, which you cannot predict and which happens.
And when the phones themselves already offer to share a contact between two people who are together, which needs nothing bought.
A tag you keep
This is the shape that works personally: one tag you own, present repeatedly, and never give away.
It can be a card in your wallet, a sticker on the back of your phone, a keyring, or a ring.
Because you keep it, you can rewrite it. That is the important difference from a card you hand out, and it changes what you can safely put on it.
And one good object costs nothing per use, which makes the economics of the personal case entirely different from equipping a team.
What to put on it
A short address on a page you control, which works on every phone and can be changed at any time.
Not your details written directly, unless you genuinely hand it over in places with no coverage, since written details are frozen on any tag you no longer hold.
Keep the page fast and give it one obvious action, because a stranger looking at your phone screen for the first time has a few seconds of attention.
And say what the tag is when you present it. Two words removes the pause and doubles the success rate.
Frequently asked questions
Is it better than just saying my number?
Not for one number once. It wins when you do it repeatedly, when there is more than a number to share, or when the object is part of the impression.
Should I write my details onto the tag?
Only if you hand it over where there is no coverage. A link keeps everything changeable and works on every phone.
What if their phone will not read it?
It happens and you cannot predict it. Have the address printed or be ready to say it, and move on rather than troubleshooting.
Do I need to buy anything?
Two phones together can already share a contact without any object. A tag earns its place through repetition and presentation.