A new ad campaign by Apple seems to shed some light on the mystery of the missing MacBook Pro. After a subtle refresh to the MacBook this spring, the long-awaited MacBook Pro line was expected to see (at least) a similar refresh if not a completely re-designed lineup. We saw neither. Then, the rumor mill started to muse that perhaps we’d see them around WWDC in June. It’s now August, and we’ve seen nothing. It’s been 440 days since we’ve last seen a MacBook Pro update, and honestly, we’re getting a little impatient. Rumors are again floating a new line at…

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