How do you announce your presence when you invade a colleague’s cubicle?

Most of us knock on the wall or make a meaningless noise of the “ahem” variety. But a company called RingDing Electronics apparently hopes to change that with a doorbell that attaches to the wall of your cubicle.

Dubbed the CubiCaller, the device costs $15, runs on batteries and lets you select from 12 different rings.

I guess I can see the thinking behind this thing, but I’d hate to work at an office where everybody used these things. I find ringing cellphones annoying enough. Doorbells could drive me over the edge.

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