Facebook warned Wall Street that it's going to spend a lot of money fixing problems that can never be fixed (FB)

Facebook is going to spend a lot of money next year on making the social network a safer place.
UBS forecasts that Facebook's costs and expenses of more than $20 billion could grow by as much as 50% next year, partly because of investment in security.
But Facebook CEO Mark Zuckerberg admitted that the issues may never be fixed. "There's no silver bullet," he told investors.
Some activists think Facebook is just too big.Wall Street may have breathed a sigh of relief at Facebook's third-quarter ea