The Internet has brought us closer together than ever before, or so the cliche goes. But has it really?

In one way, at least, it hasn't. Language barriers, the Internet's last frontiers, continue to trump technology, marking out dividing lines online just as they do offline. Beyond these barriers, new worlds of content have grown and evolved largely in isolation from one another.

For those of us tempted to venture across these barriers, the question arises: How can we access all this content?