Personal navigation devices ? the dashboard-mounted gadgets used for turn-by-turn driving instructions ? are set to take the honours as the breakthrough consumer electronic gift this Christmas, according to early indications of sales.

• 从早期销售迹象来看，个人导航装置（安在汽车仪表板之上用于提示行车路线的小配件）很可能会成为今年圣诞节最畅销的消费者电子产品礼物。