With one accidental click, anyone you email from your Gmail account can see your old Google+ profile.

During last weekend's March for Our Lives, Marjory Stoneman Douglas High School student Samantha Fuentes, a wounded survivor of the shooting tragedy, got on stage to give an impassioned speech to thousands of protesters. Halfway through her address, she ducked down behind the podium and vomited.

Every now and again, Lifehacker asks a medical professional the health questions that you wish an expert would answer but you can't quite bring yourself to ask. Today's letter writer just wants to take care of their skin health - but one of their moles is in a very private location.