Apple's looming $2 trillion market value is further evidence that its master plan to keep users locked into the iPhone ecosystem is working (AAPL)

· Apple is expected to soon become the first US-listed company with a $2 trillion market capitalization, a milestone that would come two years after the company first passed the $1 trillion mark.
· Such an achievement speaks to Apple's ability to build a solid ecosystem around its products, transforming its business into one...