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What is 1MB of data? 1MB* on average is: Browsing - using the internet on your O2 mobile O2 Active 40 pages approx Mobile internet sites outside of O2 (typically 3rd party websites not controlled by O2): 2-10 full web pages (depending on graphics, images, amount of text) 10-20 mobile web pages Sending and receiving E-mail from your O2 mobile 200 emails without attachment 10 emails with simple one page attachment Satellite Navigation 15 hours of Satellite navigation traffic alert service. Please note: Using GPS Sat Nav without the traffic alert service does not incur data charges. Important information The following services when provided by a 3rd party may consume large amounts of data and maybe subject to separate charge. We recommend you take a Browsing Bolt On if you use these services regularly: Downloading video clips from 3rd party: typically between 1MB and 5MB depending on the length and quality of the clip, plus the cost of the video Note - Downloading video clips/music/games from O2 costs the price of the content only with no additional data charges. Downloading high quality music tracks from 3rd party: typically between 1MB and 5MB per track depending on the length and quality of the track, plus the cost of the track Downloading games from 3rd party: typically 300KB, plus the cost of the game We recommend that you avoid the following on your mobile: Using VOIP** uses 1 MB of data every 3-4 minutes. Downloading full-length movies as this may use in excess of 1,000MB. Using video/ audio streaming devices (e.g. 'Sling box'), which connect your mobile device to your TV, also consume large amounts of data. Watching 15 minutes of TV on your mobile using these devices uses around 25MB. * These figures are based on typical usage. Actual data usage will depend on the content of web pages viewed and the length of emails sent/received. ** Typical VOIP usage is around 5KB per second but will depend on a number of variables including codec and voice sample t

iPhone/iPad Users Downloading 5 Million Games Per Day

The biggest disadvantage of streaming over progressive download is if the user watches the same video over and over you will pay for the delivery of it each time. Videos are also streamed at what ever bit rate they are encoded at. Keep this in mind when creating HD quality video. 8Mbps video may sound and look great, but most homes can't sustain an 8Mbps connection. If you have really high bit rate video, consider delivering via HTTP. Most web hosting providers or Content Delivery Networks (CDN) will have streaming media servers available to use. Historically, Flash video was more expensive to deliver than other forms. Recently prices have compressed and you will find that it costs about the same to deliver Flash or Windows Media files. In the past I would have said if your video is more than 10 minutes in length deliver it via Stream and less do progressive. Since prices

s from a survey conducted for the new Canalys Mobile Application Analysis services suite show that 51% of Chinese end users downloaded applications or games on their mobile phones