The Facebook for Poor People You Didn't Know ExistedS  Everyone
you know has Facebook unless they're weird, but Facebook still
has territory left to cover, specifically in the developing
world. That plan for global domination includes making Facebook
free on mobile.  That's made possible through something called
Facebook Zero, a text-only version of the site accessible on a
WAP-enabled feature phone, as Quartz reports:  The trick is that
Facebook Zero is free, benefiting from what's known as zero
rating by the phone companies. Accessing it doesn't rack up any
data fees, which are a big deal in emerging markets, where
almost everyone is on a prepaid plan.  Thanks to gratis access,
in Africa for example, Facebook is exploding:   And in Mexico,
one developing country where carriers don't support Facebook
Zero, Facebook is offering something called Facebook for Every
Phone, a version installed on SIM cards that works on around 80
percent of phones. These free solutions are crucial—now that
Facebook has investors