Many faithful Facebook users had the rug pulled out from under them during the last year. Both Sheryl Sandberg and Mark Zuckerberg appeared before the U.S. Congress and spilled the beans on how the company had betrayed its members. I don’t think the company’s leaders realized that Facebook was doing the wrong thing until recently. Now they have a five-point fix-it-plan. Will it work? And will it win back users’ trust? Facebook COO Shery Sandberg discussed the five-point plan at the Digital Life Design Conference in Munich last week.