As we all know, the ol’ USA’s days as top dog are numbered. When China ascends to its rightful spot as world leader, I’ll be ready thanks to TryMango.com. It’s a free language learning site. English language speakers can learn Brazilian Portuguese, Greek, German, French and more through a series of lessons that include sound and tips about conversational speech. If you’re smart like me, though, you’ll get cracking on your Mandarin. Ni hao.