Of course, this is exactly what is possible now that so many of us — via credit cards, cellphones, online social networks, blogs and so on — leave just such digital breadcrumbs as we move through our lives.
Part of the strategy involves allowing consumers to purchase cellphones online.
When deliveries are arranged via cellphone or online, it's more difficult for anyone to use violence to monopolize a market and street encounters where a dealer could step on a rival's toes are less common.
But the second challenge is gathering the evidence itself: looking at material typed on personal cellphones or online accounts.
With easy access to information on cellphones or online, club-going has become more democratic, he said.
In the markets it has earmarked for aggressive expansion -- from servers to cellphones to online services -- there is no assurance that Microsoft will succeed.
Faced with scandals and complaints involving teachers who misuse social media, school districts across the country are imposing strict new guidelines that ban private conversations between teachers and their students on cellphones and online platforms like Facebook and Twitter.
Robert Kirkpatrick, who leads the United Nations Global Pulse team, which aims to harness technology in new ways — using data from social networks, blogs, cellphones and online commerce to transform economic development and humanitarian aid in poorer nations.
Still, the focus is on harnessing technology in new ways — using data from social networks, blogs, cellphones and online commerce to transform economic development and humanitarian aid in poorer nations.
Even in an age of cellphones and online social networks, Mr. López's radio show has endured since its first broadcast in 1995, picking up its 12th station in the United States a few months ago, in Santa Barbara County.
