“Picture yourself at sea, a hostile ship bearing…
“Picture yourself at sea, a hostile ship bearing down on you. You have a limited amount of gunpowder. You take all your gunpowder and use it to fire a big cannonball. The cannonball flies out over the ocean … and misses the target, off by 40 degrees. You turn to your stockpile and discover that you’re out of gunpowder. You die.” It's obvious that in this new world of online media, businesses are making Facebook and Twitter (as well as many...