Smart phone penetration is high among younger consumers and drops significantly among their older counterparts.
During the 3-month average ending in November 2012, 53% of US mobile subscribers owned a smart phone.
eMarketer expects the number of households that have and use smart TVs to reach 40.2 million by 2016, up from 15.2 million last year.
eBook ownership reached 19% of consumers ages 16 and up in November 2012.
Nearly 50 million Americans used an eReader at least monthly in 2012.
eMarketer estimates that 22% of the total US population will use a tablet at least monthly this year, more than double the percentage with access to such a device in 2011.
Growth in ereader penetration will slow sharply beginning this year, when 19% of the adult population will use one at least monthly.
Research found that 61% of total US moms surveyed owned a smart phone in 2012, ahead of the 44% of total consumers who owned one.
More than half of US mobile device users now own a smart phone.
In the US, tablet users will number 133.5 million by 2015, representing 51.9% of internet users and 41% of the total population.