Guides
Plain answers about NFC cards, QR codes, Google reviews and digital business cards, written to be useful whether or not you buy anything.
- Guide
How NFC business cards work
A plain-language explanation of the chip, the tap, the page it opens, card size and lifespan.
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Are NFC business cards worth it
An honest look at when NFC business cards pay off, when paper is enough and what they cost.
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How to use NFC on iPhone
Where to tap an NFC card on an iPhone, which models read it in the background, and how to fix a card that won't read.
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How to turn on NFC on Android
How to enable NFC on Android, where to tap a card, and how to fix "no supported application for this NFC tag".
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How to get your Google review link
Three ways to get your Google review link and how to turn it into a QR code or a tap card.
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How to ask for Google reviews
When and how to ask for Google reviews, what Google forbids, and how a review card makes the ask easier.
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QR code on a business card
What to encode, how big to print it, where it goes on the card and the mistakes that stop a QR code from scanning.
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What is a vCard
What a vCard (.vcf) file holds, how people share it and why a vCard QR code is denser than a link.
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How to make a digital business card
A practical guide to making a digital business card: content, design, sharing and keeping it up to date.
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Digital business card app or no app
Whether a digital business card needs an app, what the recipient sees and how app-based and browser-based cards compare.
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How to share a contact on iPhone
Four ways to share a contact from an iPhone, from the Contacts app to NameDrop to an NFC card that opens a live profile.
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QR code size guide
How big a QR code should be on a business card, sticker or counter sign, with scanning-distance rules of thumb and a test routine.
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Dynamic vs static QR codes
What static and dynamic QR codes are, how they differ, and which to use for business cards, menus and review forms.
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What is NFC on a phone
What NFC is, what it does on a phone, how an NFC tag or business card works and how to check whether your phone has it.
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How to remove a Google review
How a business owner reports a Google review, what Google's policy says qualifies, how appeals work and what to do instead.
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What to bring to a career fair
A practical student checklist for a career fair, including how a digital card or QR code helps without replacing a resume.
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How to scan a QR code on iPhone
How to scan a QR code with the iPhone Camera app, what to try when it will not scan and how Android compares.
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Scan a QR code from a photo
How to read a QR code from a photo, a screenshot or your own screen, and how to share codes so they are easy to scan.
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How to leave a Google review
How to write a Google review step by step, what a helpful review contains and what Google's policy does not allow.
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Add a link to your bio
How to put a link in an Instagram or TikTok bio, what to link to and how a single profile page replaces a pile of links.
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Email signature examples
Four email signature examples, what to include and leave out, and how to add a profile link people can save.
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What to put on a digital business card
A practical checklist of what belongs on a digital business card, what to leave off and four example setups.
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