Before my contact arrives I scan our last e-mail conversation.

CNN: Fear mobile technology? Look away now!

Fully integrated into BlackBerry Contacts, when the customer launches the app for the first time, WhatsApp can automatically scan existing phone numbers in the contact directory and extract the ones using WhatsApp, to help customers build out their contacts list and get started right away.

ENGADGET: WhatsApp lands on BlackBerry 10, offers Z10 owners a BBM alternative

He suggested that companies contact their antivirus vendors to make sure their tools can scan for the Melissa variant.

CNN: 'Melissa' mutates, becomes resistant to patch

If the dog is lost or stolen, dog wardens, the RSPCA or a vet can scan it for a microchip, which can immediately provide them with your contact details.

CNN: Give a dog a cell phone

If he loses his collar, rescue organizations will scan the back of his neck, see his personal identification number, and contact you.

CNN: Tips for road tripping with pets