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2. vCard - Wikipedia

   en.wikipedia.org/wiki/VCard

   vCard, also known as VCF (Virtual Contact File), is a file format standard for electronic business cards. vCards can be attached to e-mail messages, sent via Multimedia Messaging Service (MMS), on the World Wide Web, instant messaging, NFC or through QR code.

3. Near-field communication - Wikipedia

   en.wikipedia.org/wiki/Near-field_communication

   In Android 4.4, Google introduced platform support for secure NFC-based transactions through Host Card Emulation (HCE), for payments, loyalty programs, card access, transit passes and other custom services. HCE allows any Android 4.4 app to emulate an NFC smart card, letting users initiate transactions with their device.

4. Softcard - Wikipedia

   en.wikipedia.org/wiki/Softcard

   Website. gosoftcard.com. JVL Ventures, LLC d/b/a Softcard (formerly Isis Mobile Wallet ), was a joint venture between AT&T, T-Mobile and Verizon which produced a mobile payments platform known as Softcard, which used near-field communication (NFC) technology to allow users to pay for items at stores and restaurants with credit and debit card ...

5. E-card - Wikipedia

   en.wikipedia.org/wiki/E-card

   E-card. E-card is an electronic postcard or greeting card, with the primary difference being that it is created using digital media instead of paper or other traditional materials. E-cards are available in many different mediums, usually on various Internet sites. They can be sent to a recipient virtually, usually via e-mail or an instant ...

6. eSIM - Wikipedia

   en.wikipedia.org/wiki/ESIM

   An eSIM ( embedded SIM) is a form of SIM card that is embedded directly into a device. Instead of an integrated circuit located on a removable SIM card, typically made of PVC, an eSIM consists of software installed onto an eUICC chip permanently attached to a device. If the eSIM is eUICC-compatible, it can be re-programmed with new SIM information.

7. Electronic business - Wikipedia

   en.wikipedia.org/wiki/Electronic_business

   e. Electronic business (also known as online business or e-business) is any kind of business or commercial transaction that includes sharing information across the internet. Commerce constitutes the exchange of products and services between businesses, groups, and individuals and can be seen as one of the essential activities of any business.