Slate's tech columnist Farhad Manjoo and Dear Prudence advice columnist Emily Yoffe debate the question: Should you tell your sister-in-law, a middle school teacher, that her tweeting is inappropriate?

Slate's tech columnist Farhad Manjoo and Dear Prudence advice columnist Emily Yoffe debate the question: Should a gym patron ask management to enforce its cell-free locker room policy?

Slate's tech columnist Farhad Manjoo and Dear Prudence advice columnist Emily Yoffe debate the question: Does opting out of any and all social networks make you seem "suspicious"?

Slate's tech columnist Farhad Manjoo and Dear Prudence advice columnist Emily Yoffe debate the question: Is it rude to pop in your earbuds when catching a ride to work with someone?

Slate's tech columnist Farhad Manjoo and Dear Prudence advice columnist Emily Yoffe debate the question: Should you confront a Facebook friend who shares the links you post but doesn’t acknowledge where she found them?

Slate's tech columnist Farhad Manjoo and Dear Prudence advice columnist Emily Yoffe debate the question: What should you do when you receive unsolicited messages of a sexual nature on your cell phone?

Slate's tech columnist Farhad Manjoo and Dear Prudence advice columnist Emily Yoffe debate the question: Is it appropriate to follow your psychiatrist on Twitter or Facebook. How about friending a family member’s shrink?

Slate's tech columnist Farhad Manjoo and Dear Prudence advice columnist Emily Yoffe debate the question: Should you confront a Facebook friend who seems to be mocking your posts with her own sarcastic status updates?

Slate's tech columnist Farhad Manjoo and Dear Prudence advice columnist Emily Yoffe debate the question: Should you let a colleague borrow your earbuds even though you’re grossed out by it? Plus, other work etiquette dilemmas.

Slate's tech columnist Farhad Manjoo and Dear Prudence advice columnist Emily Yoffe debate the question: Should employers commandeer your social network to promote their products?

Slate's tech columnist Farhad Manjoo and Dear Prudence advice columnist Emily Yoffe debate the question: Should parents always come to the door when picking up their kids from a playmate’s house? A father laments that texts have taken the place of face-to-face parental interaction.

Slate's tech columnist Farhad Manjoo and Dear Prudence advice columnist Emily Yoffe debate the question: Should you tell a cheater’s significant other about his extracurricular activities via Facebook?

Slate's tech columnist Farhad Manjoo and Dear Prudence advice columnist Emily Yoffe debate the question: Is it necessary to “de-friend” someone who is leaving your family due to divorce?

Slate's tech columnist Farhad Manjoo and Dear Prudence advice columnist Emily Yoffe debate the question: Is it socially acceptable to take out your cell phone and snap photos of a wedding ceremony in progress, then post the shots to Facebook before the ink on the marriage certificate is dry?

Slate's tech columnist Farhad Manjoo and Dear Prudence advice columnist Emily Yoffe debate the question: What should you do when your Internet dates repeatedly text lame excuses to cancel?

Slate's tech columnist Farhad Manjoo and Dear Prudence advice columnist Emily Yoffe debate the question: Should you correct the bad facts and blatant lies that friends post to their Facebook pages?

Slate's tech columnist Farhad Manjoo and Dear Prudence advice columnist Emily Yoffe debate the question: Are couples obligated to interact via social media, or is face-to-face contact more than enough?

Slate's tech columnist Farhad Manjoo and Dear Prudence advice columnist Emily Yoffe debate the question: Is it rude for the babysitter to save TV shows on your digital video recorder without asking first?

Slate's tech columnist Farhad Manjoo and Dear Prudence advice columnist Emily Yoffe debate the question: When you’re hanging out with pals, but other friends aren’t invited, is it rude to post the details to Facebook?

Slate's tech columnist Farhad Manjoo and Dear Prudence advice columnist Emily Yoffe debate the question: What do you do when a co-worker pads her LinkedIn résumé with YOUR job title and qualifications?