Reaching down, I discovered that I was sitting on a state-of-the-art Sony digital camera, estimated value, $500.
The majority of Harry Potter's new digital readers, estimated The Bookseller's editor Neill Denny, are likely to be those who are already fans of the books.
However, eMarketer, an independent analyst firm that specialises in tracking digital spend, estimates Facebook generated £223 million last year from advertising in the UK.
A study by a company that helps track pirated digital books estimates that there were 9 million illegal downloads of copyrighted books in the final months of last year.
A report released last November by e-skills UK, the employer body for the digital industries, estimated that 69,000 big data specialists will be needed in the public and private sector by 2017, an increase of 243% on current figures.
Media Metrix Inc., a New York company that collects data on Internet and digital media, estimates that 5.3 million people visited such sites in August, with Friendfinder.com ranking first, attracting 1.1 million visitors.
Porto Digital is estimated to be worth around $1bn. "It's not that much, but it's unique.
The UK is facing a significant skills shortage, with 1.4 million "digital professionals" estimated to be needed over the next five years.
Fuji dominated in Japan, and right at the moment that Kodak should have been pushing hard into the digital realm, estimates for anywhere outside of Japan remained low.
Ali Joone, founder of the porn studio Digital Playground, estimates that as much as 99% of content on some tube sites is pirated, much of it uploaded by the tube- site owners themselves.
