Watch clever

The recent arrival of several new contenders to the smartwatch scene sees two market sectors on a collision course. Toward the end of last summer, Samsung launched its Galaxy Gear, a tiny touchscreen computer designed for wrists hoping to carve out a new market for wearable smartphone accessories, while Adidas unveiled the MiCoach Smart Run, a souped-up sports watch that shares many of the styling features of more general-purpose smartwatches.