A Sussex man heads a service delivering electronic information to millions of subscribers.
Hove-based Laurence Alexander is managing director of Genie, the UK's largest mobile internet provider.
He said: "Our users sign up to receive personalised information by logging on from any computer anywhere in the world or by receiving services on WAP (wireless application protocol) mobile phones.
"People can select just about any topic they want for regular updates and browse through the latest news at their leisure. The service recognises which platform is being used and provides the information in the relevant format, moving seamlessly from mobile phone to any computer, as required."
Genie has more than 2,500,000 registered users on the internet and across the four major mobile networks.
Mr Alexander said: "Much of the basic information we provide is free to the consumer. We make our money from sponsorship deals, extra services and the mobile phone side of the business.
"Demand is growing and we have recently set up 120 staff at the Brighton-based Inkfish call centre to help sell our products and services.
"We hope to expand this number to 200 in the next few months."
The company's core audience is aged 18 to 35 and services reflect this group's interests.
Mr Alexander said: "We are involved in deals with bands such as S Club 7, whose UK tour we sponsored, and making the most of the growing SMS (short messaging service) market.
"We handle millions of texts a day via mobile phones and the web site.
"I have two teenagers at home in Hove and they use it all the time. The main attractions are the low cost nature of SMS and the ease of use.
"It is also appealing because it can be a quite flirtatious medium and a bit sexy.
"It is something teenagers have taken to with enthusiasm."
Genie offers unlimited text for £10 a month.
In two years, the number of text messages around the world has risen from one billion to 16 billion.
It is estimated by the GSM (global system for mobile communications) Association this will reach 200 billion by the end of the year.
Mr Alexander said: "We offer a technology for accessing email from a mobile phone.
"The email is converted, using voice recognition software, so it can be listened to from a mobile.
"People can reply by speaking into their phone and their words are converted to text and sent as a return email."
A few years ago WAP was hyped as the next big thing in mobile communication but then it received criticism from many quarters.
Mr Alexander said: "When improved functionality, quicker delivery and larger screens come along on phones with larger memory, WAP will be used more and more.
"It's already popular for chat, games, mail and web searching.
"Apart from the fun stuff, practical applications are increasingly used by people on the move, for example, banking services enable users to check their balances from their mobiles."
Genie was set up in 1999 by BT Cellnet.
It became a separate company as part of the BT demerger process.
The company employs about 300 staff in the UK.
Most are based at its headquarters in London.
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