Keeping track of children is easier said than done. Finally, a "hereO" has come along to help parents keep track of their children, with efficiency.

While collecting private data online has been a big issue, Israeli researchers have found a way to track network usage in order to monitor disasters, by looking at how often certain users communicate, rather than monitoring the content of their conversations.

Israeli company CattleSense has developed a smart collar for cattle that is embedded with sensors, radio transmitter, GPS, and even mini solar panels to power the unit. The collar can send information about the cows' movement, nutritional intake and pregnancy.