They grow up so fast, don't they? It was almost six years ago that we saw Ford SYNC step into the world, and the automaker has just handed the keys to the owner of the 5-millionth SYNC-capable vehicle. While we haven't been told what model had the distinction, the milestone represents another million SYNC cars, SUVs and trucks than we saw in May last year. The most striking aspect between then and now may just be the shift in