"Tomorrow Is My First Ever Art Fair So I Hand-Painted All My Business Cards"
"I Don't Get The Opportunity To Give Away A Lot Of Business Cards, So I Figured I Might As Well Paint My Own"
"This Knife Sharpening Company Has A Band-Aid As Its Business Card"
"This Temporary Tattoo Shop Has Business Cards That Are Also Temporary Tattoos"
"Bought A House And Found A Business Card For An Exterminator. Wife Freaked When She Opened The Drawer"
"This Music Store's Business Cards Are Guitar Pics"
"Water Fountain Repair Guy Left This Tiny Water Fountain As His Business Card"
"Yoga One: Get Stretchy"
"My Graphic Designer Buddy Went Above And Beyond With My New Business Cards"
"Tearable Divorce Lawyer Business Card"
"This Business Card From A Tire Place Also Serves As A Tire Thread Measurement Tool"
"This Dog Has His Own Business Card"
"Business Card For Packaging Supplies Company Shaped Like Cardboard Box"
"This Dentist's Business Card Has 12 Yards Of Floss Inside It"
"This Business Card Of A Producer Has A USB Stick With His Music In It"
those things are quite thick, so they don't hurt as bad as you'd imagine. Also, they're for emergencies, not for you day-to-day maintenance.
Also, business cards are basically an ad, and to promote you business, you invest in ads. Preferably a more memorable one than the competition. Same is true for business cards!
#24 "I'm a producer, please accept this computer virus."
#27 The fact that it's from Kevin Mitnick makes it even cooler
These ones that don't easily fit in your wallet will get thrown in a drawer or accidentally thrown out and the person may remember the business card, but probably not the company/website and now they're calling the first result on Google instead.