Many of these gadgets are already on the market, and some are expected later this year.  Below are links to the devices along with links to reviews:

MOTHER: Central hub for monitoring items in your home

JUNE by Netatmo: Personalized sun protection coach

HAPIfork: monitors your eating

BEAM toothbrush: wirelessly tells a phone app how often and how long you brush your teeth

KOLIBREE toothbrush: Bluetooth toothbrush to monitor dental hygiene

LUMO: sensors for your body to track daily activity and help improve posture