Movies and television are dotted with cool robot names: "R2-D2" from "Star Wars," "WALL-E," "Optimus Prime" from "Transformers" and "Rosie" from "The Jetsons." Closer to home (and in real life), Dan ...

It started out as a dating website, faltered, then soared. Google has since turned it into a juggernaut. What’s next for the ...