You learn something every day, and today, we learned there’s a word for the fear of Fridays and the number 13: paraskavedekatriaphobia.

Upon learning this word, which clocks in at 23 letters, we promptly developed a phobia of our own: that we might someday be asked to spell it in public.

Is there a word for fear of credit card debt? If so, it got a little less use in May, when consumer borrowing increased sharply.

If those numbers don’t pique your interest, just wait until economic figures from this month are released. Worker productivity is likely to plummet after July 21, as employees repeatedly sneak off to the bathroom to read the final Harry Potter book.

Would you like fries with your iPhone? Because Apple’s latest gadget doesn’t do enough already, tech columnist Walter Mossberg tests out a

few of the add-ons for the device.

Options include carrying cases, special headsets and software to look up movie times in any ZIP code.

Still in the works is an artificial intelligence program that can direct a robot to cook you dinner.