YouTube has a reach of 34% in the UK

"YouTube's weekly reach (34%) is comparable to major TV channels in the UK such as SkyOne
Weekly reach is higher amongst certain target audiences, such as affluent young males (54%)
YouTube users (particularly heavy YouTube users) are more likely to be light TV viewers than average
YouTube reaches a broad spectrum of audiences
YouTube delivers its audiences spread right across the day, not just during traditional TV hours"
Source: Joint research by YouTube and TNS, reported on the Google Barometer blog, 25th August 2009

Apple has 91% market share in the US for computers costing over $1,000, but only 8% share overall

"According to NPD, in June, nine out of 10 dollars spent on computers costing $1,000 or more went to Apple. Mac revenue market share in the "premium" price segment was 91 percent, up from 88 percent in May."
Source: NPD, reported by betanews, 22nd July 2009
Overall market share:
"Apple's share of the US computer market fell to 8 percent during the fourth calendar quarter of 2008 from 9.5 percent in the third as the Mac maker surrendered its third place ranking to surging netbook maker Acer, according to market research firm Gartner."
Source: Gartner, reported by AppleInsider, 14th January 2009
(If you have any more up to date figures please let me know!)

Android and iPhone users download 9-10 new apps per month; iPod Touch users download 18

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Source: Page 11 of AdMob iPhone and Android App Discovery and Usage, August 2009

Universal Music in Sweden makes more revenue from Spotify than from iTunes

"“In five months from the launch Spotify became our largest digital source of income and so passed by iTunes”, said Per Sundin, head of Universal in Sweden. “It’s a fantastic development explained by the fact that Spotify really has exploded”"
Source: The Swedish Wire, 10th August 2009

Over 118 million avatars have been created for the video game Spore by it's players

Source: Official 'Sporepedia' site retrieved 27th August 2009 (see the box in the top left hand side for the most up to date figure)

Players of the video game LittleBigPlanet have created over 1 million of their own levels

"Each week the data-miners in our IT department here at Sackboy Central send us a big spreadsheet full of numbers. Some of the numbers mention stuff like “concurrency” and “peak measures”, which are all very nice, although not, for the most part, tremendously exciting. But there is one number in particular that we’ve always kept a close eye on: the number of levels uploaded by the LittleBigPlanet community. And this week, that number became awesome indeed. The community has now uploaded over one million levels.
One. Million. Levels.
Amazing, isn’t it? Just think, this means that a new level has been published roughly every 21 seconds since LittleBigPlanet launched."
Source: Playstation blog, 22nd July 2009

Chris Brown's song Forever went top 5 in the download charts after appearing in the user generated video JK Wedding Entrance

"In the last week, over a year after its release, Chris Brown's "Forever" has again rocketed up the charts, reaching as high as #4 on the iTunes singles chart and #3 on Amazon's best selling MP3 list."
Source: Google blog, 30th July 2009

Google offers 1 million free eBooks for download

"I'm excited to announce that starting today, Google Books will offer free downloads of these and more than one million more public domain books in an additional format, EPUB. By adding support for EPUB downloads, we're hoping to make these books more accessible by helping people around the world to find and read them in more places. More people are turning to new reading devices to access digital books, and many such phones, netbooks, and e-ink readers have smaller screens that don't readily render image-based PDF versions of the books we've scanned. EPUB is a lightweight text-based digital book format that allows the text to automatically conform (or "reflow") to these smaller screens. And because EPUB is a free, open standard supported by a growing ecosystem of digital reading devices, works you download from Google Books as EPUBs won't be tied to or locked into a particular device. We'll also continue to make available these books in the popular PDF format so you can see images of the pages just as they appear in the printed book."
Source: Google Books blog, 26th August 2009

AdMob has served over 100 billion mobile ads

"We’ve just reached another exciting milestone here at AdMob… over 100 billion ads served!"
Source: AdMob blog, 10th August 2009

Almost as many people respond to online display advertising by searching as do by clicking

"Despite considerable speculation about the relationship between search engine marketing and online display advertising over the years, the findings from this new study indicate that the two channels have a closer relationship than many marketers may have thought. In fact, the study shows that Internet users initially respond to the medium as follows: 31% respond by directly clicking on an ad; 27% respond by searching for the product, brand, or company by launching a search on a search engine; 21% respond by typing the company Web address into their browser and directly navigating to the website; and 9% respond by investigating the product, brand, or company through social media venues. Overall, 52% of Internet users actively respond to online display advertising."
Source: Study conducted by Search Marketing agency iProspect, reported in a press release, 11th May 2009

65% of mums in the UK with internet use it as their first point of call for information

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Source: Yahoo! Mums Online report, August 2009

Younger US teens are more likely to own a portable gaming device than a mobile phone

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Source: Page 13 of Teens and Mobile Phones Over the Past 5 Years, Pew Internet, August 2009