For years, the big tech firms Facebook, Apple, Amazon, Netflix and Google were seen as a collective good bet; investors will soon judge them each on their merits—or demerits. After Israel’s creation, Jews were shunned in the Arab world; that now seems to be changing, and quickly. And, on the frozen ground at Ukraine’s border, there will be mud.For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/intelligenceoffer
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