If we see two people talking at a distance of around two feet from each other, we assume they are engaged in the kind of conversation only possible between those who know and trust each other.

FORBES: Knowing When to Back Off

"The wounds are deep, especially mine, but we only have each other, " said Lebanese parliamentary majority leader Saad Hariri, son of the killed former Lebanese Prime Minister Rafik Hariri.

CNN: Lebanon factions reach deal to end crisis

But on the positive side, not only are we talking about a problem everyone seemed happier ignoring, we're also pushing each other to solve it and planning some even more ambitious experiments.

WSJ: How to Keep Control of Kids' Online Use