Key ID format: short or long?

[Faramir]

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I was thinking... in case I want to put my key ID in a business card,
what format should I use? Short format (8 characters) or long format (16
characters)? With or without the '0x' prefix?

I suppose it is a matter of tastes, but maybe one way is better than the
other one...

 Best Regards
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iQEcBAEBAgAGBQJI/htRAAoJEMV4f6PvczxA/PIH+wQdn0wkYlZ8n9t8OPlyIe0O
662vDuDai6njGEj14Z3oshA/kD9jlbkm8pDmceF4y6FvtRDyTImnnUWUQP/GBx2s
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8MvBFqWSbsXmM1qbmaji6kpVlj+WDNvuS3q922yupB7DTdyYMpmRToJEjSG1G/xD
+PVW0djuy82MHhu5Aib2VBt5p1rvJn39M2RbhKW8OGP8lYV8oRhpEHKPsTX0GYq3
7R7fNidbTU6xhWyRbFioU0sSpLaD5zZ2sJqN3AKsQp9gKvAbTclXmSG1F5jzde0=
=SPsZ
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