Was it wrong of me to “like” a Facebook post in which a pal mourned the end of a long-term relationship? I think she’s better off without the jerk.

Having occasionally come up snake eyes in the game of love, Mr. Know-It-All understands firsthand that a broken heart can fog the mind. Have you ever tried to do your taxes or solder a circuit board mere hours after receiving an “It’s not you, it’s me” speech? Let’s just say emergency personnel were required. In such a frazzled state, your bummed-out friend might not have realized that your button-clicking commentary w...

Photo: Spencer Higgins

Along with being a slick little HD camcorder with a wonderful, intuitive feel, the JVC Everio GZ-HM860 is designed to be a low-light killer, with a bright f/1.2, 10x optical lens that boasts wide-angle coverage equivalent to 29.5mm in a 35mm camera.

Like the Sony HDR-CX700V, this dual memory camcorder (16GB internal; one SDXC memory card slot) uses a backside-illuminated CMOS sensor that holds its circuitry on the rear of the chip so it won’t block incoming light. These chips are turning up with increasing frequency — Apple’s iPhone 4 uses them — because of their better r...