Evans reckons there are 785m working Android devices which have been activated by Google.
Such devices, which have been dubbed "plastic lasers," are eventually likely to be cheaper than today's metal solid-state lasers.
There is no data however on how many of the devices which have downloaded the Gmail app are still active.
There is rising demand for so-called micromechanical devices, which have moving parts built on to the chip.
Indeed, blame the cameras and recording devices, which have never been as ubiquitous or viral in their potential impact.
The Mozilla team has only worked on a version for Intel-based systems, not the ARM-based RT devices, which have so far sold poorly.
Using EQ3, collisions occur, on average, once every 85 words.For BlackBerry-type devices, which have a larger number of keys, Eatoni has developed EQ6 (Eatoni Qwerty 6-column).
Therefore to get an accurate picture of the Android market, it is more helpful to break out market share by devices which have the Play store and the ones that do not.
"The correct approach is to consider how the device is used and build from there," says Luton. "Smart watches are high frequency, short session devices which have low precision controls.
But library patrons have been less than enthusiastic about the devices, which have yet to live up to their manufacturers' promise of becoming the book borrower's version of the automated teller.
He is confident that his brightly coloured devices, which have been called the iPods of the ebook world, will be number two in America by next autumn in terms of sales, and number one in the UK.
