If you happen to have an old smartphone or tablet collecting dust somewhere, now you have a better option. Picket turns your spare smartphones and tablets into home surveillance cameras that you can watch while you’re away. It helps you find out if your package arrived, monitor your baby, if the kids are home from school, or find out what your dog and cat are up to. Picket will take any Android phone or tablet running Gingerbread version 2.3 or greater and put its Internet connectivity and adva