But how many eavesdroppers does it take to keep tabs on 390 million cell phone users?
Android phone users can now access location-specific maps of select airports, museums, malls, and department stores.
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China is the world's largest mobile market with about 520 million mobile phone users.
But virtually all of them rely on phone users' memories, and that makes them shaky.
With millions of smart phone users worldwide, many mobile start-ups are coming up to serve them.
Nokia represents a huge potential market down the road: hundreds of millions of cell phone users.
Third-party developers have created many apps that access the data for smart-phone users.
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He said phone users are 15 times more likely to lose that device than a laptop.
Plenty of mobile phone users already allow their mobile providers to offer location-based services through their phones.
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Surprisingly, feature-phone users report substantially fewer problems with slow download speeds (31%) compared with smartphone owners (49%).
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Only 12 percent of mobile phone users reported making a mobile payment in the past twelve months.
But inveterate mobile phone users can still chatter during the action if they go to a stadium.
Billions of dumb phone users are expected to switch over to Google-enabled smartphones in the next few years.
In addition, ChatON, Samsung's cross-platform communication service, connects all phone users of any platform into a single community.
Moreover, by 2014, the iSuppli research firm projects 110 million 3G phone users, all busily conducting mobile search.
Of those who agreed to take part, 59% were regular mobile-phone users as defined by the study's protocol.
It looks like Windows Phone users employing Internet Explorer for Google Maps will soon be back in business.
Most mobile phone users of the planet live in countries or served by carriers who do not offer subsidies.
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That's a huge jump from last year, when 25 percent of U.S. cell phone users reported mobile internet use.
Many mobile phone users set specific tones to specific people so that the tones act as audible caller IDs.
But computer, tablet and phone users will still have to download the file initially and pay a la carte.
The first question cell phone users ask is 'Can I take it everywhere?
But Ofcom has received hundreds of complaints from phone users, with many unaware that their provider can change prices mid-contract.
According to Gallostra, Latin America will have 120 million smart phone users in 2014, up from 50 million now.
All questions and answers are transmitted by text message between mobile-phone users and a remote server that concocts imaginary dates.
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Cell phone users who are convinced the government is tracking their handhelds as a homing beacon can breathe a tad easier.
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"Kenya has 30 million people and three million cell phone users - but only 200, 000 households that have electricity, " he says.
Mobile phone users could download a mobile game, after which Puma sent them a coupon for a free phone toy accessory.
The analysis of text messages shows that people are developing their own "etiquette" in what is acceptable between mobile phone users.
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These phone users also would be able to get targeted ads or discount offers, which Google hopes to sell to local merchants.
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