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Interactive TV allows you to interact with television content as you view it – for example, you could vote in a competition, take part in a games show, comment on a programme, rewind or fast forward.
It’s available with digital TV services, such as digital terrestrial, satellite and cable, and can also be accessed via computers (on a broadband connection) and mobiles. BBC Red Button and Sky+ are two examples of interactive TV services in the UK.
Increasingly, the boundaries between media are blurring, with social networking sites like MySpace and mobile providers like Vodafone distributing TV content.

The impact of TV on children and teenagers has always been the subject of much debate. How much TV is too much? What kind of programmes are appropriate or inappropriate? Who’s in charge of the remote control?!
Falling prices, the digital switchover and the rising popularity of video games contributed towards 10 million televisions being sold in the UK in 2009, according to market research firm GfK
Interactive TV gives your family greater control over the programmes you watch and helps you all get more involved in them but you also need to bear in mind some of the following issues:
Find out more about Parental Controls
What you need to know to get started
Technology is part of your child's life before they start primary school. They're probably using the computer, the internet and interactive TV for fun - watching programmes on the CBeebies channel and website or taking part in the Club Penguin chat rooms...but they still need adult guidance and supervision.
If you have 8-11 year old children, your house is probably full of technology - PlayStation, Nintendo, iPod...the list goes on. In fact, research shows that 8-11 year olds in the UK have an average of four media devices in their bedroom.
This is a crucial age for young people to embrace new technologies and develop their ICT skills both at home and at school...and it's a crucial time for you to take control when they start exploring the digital world as well as the real world.
They're at secondary school and growing up fast. It's a time of change and their digital world might seem as important as the real world to them. They might spend their evenings on Bebo, Facebook or MySpace ; watching videos on YouTube and uploading their own for others to watch; or doing research for their homework.
You want to encourage their technology and social skills, of course, so it's useful to understand what they're doing with technology and to get involved with it.
Once your children are teenagers, it might be tempting to think that they're tech-savvy and dealing with everything the virtual world can throw at them. You probably watch in awe as they switch from chatting with friends on Facebook to updating their Twitter profile; playing against someone on the other side of the world on their games console to downloading music on their mobile.
It's all great fun but, as they get older, the things you need to help them to cope with in their digital world are ever more challenging. Far from leaving them to it, you really need to keep communicating with them.
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