Young people between the ages of 18 and 24 are even more connected to their mobile devices than you might think.
Nine in 10 young adults spend between one and five hours on their mobile devices daily. Nearly one in 10, meanwhile, are on their gadgets between five and ten hours each day. Just under a third would actually like for brands to send them promotions via smarthphone and tablet, but more than half say that it’s “extremely important” to be able to opt out of such come-ons.
via mashable.com
Some good tips in this article.