A Watch That Keeps Watch On The Elderly  A new wristwatch
targeted at the elderly does more than tell time. The device,
from tech startup Exmovere, uses an infrared laser to measure
heart rate and other vital signs. The watch also extracts clues
about the wearer's emotional state based on pulse rate, sweat
levels, movement patterns, and other physiological signs. Using
wireless and location-based technologies (Bluetooth and global
positioning systems), the watch automatically syncs with a
nearby PC, a cell phone, or an optional pocket PC for use while
driving, which then sends e-mail or text message updates to
family members on the device that they choose.  "We wanted to
automate caregiving for busy people," said David Bychkov, a
retired professor of psychophysiology and president of Exmovere.
He fine-tuned the watch with the help of 400 elderly product
testers. Exmovere recently launched a mass-market version,
starting at $1,193 for six months of service. The company will
launch a more upscale model within t