It's interesting that Daily Beast writer Caitlin Dixon precedes her question "When did we let our guard down?" with the story of sleeping on strangers' couch in Italy after finding them in a couch-surfing site. Yes, she let her guard down (but the people were great hosts). What's interesting, though, is that she compared couch-surfing to connecting with people online. One could argue – and I've … [Read more...] about So we’ve all ‘let our guard down’?