How to share your Android or iOS contact card via MMS

The time-honored way to trade digits with a fellow smartphone user is to send a simple "Hi it's me!" text. Once that's done, your new friend will have your number sitting in their text-message inbox, their number will appear as an outgoing message on your phone, and you're all set--well, sort of. While you now have your friend's number and they have yours, that's all you've got. You'll have to enter names, titles, addresses, and everything else manually--assuming you even have that information. ...