"The testers were made up of a mix of art gallery goers who decided to take part on the day and techies who'd seen a call-out on Twitter.
It is jointly owned by a consortium made up of Cambridge Esol, the UK's leading language tester, the British Council and IDP, Australia's international education promoter.
But perfectly well people who are health-conscious make up a significant portion of self-testers.
Microsoft has testers and debuggers, too they make up 60% of the 4,700 Windows programmers but doesn't do testing of the sort that government security agencies demand.
One thing that has surprised Butterfield so far is that while males make up the vast majority of the early testers, it's females that are the most active players.
Early testers have created collections on topics like Steampunk, Make Up: How-To's, Inspiration, Tools & Hacks, Video Games, The Fabulous Forests, Nomilicious, and more.
"Everybody and their grandmother's lobbying on this," says Sen. Lindsey Graham (R-S.C .. GR-S.C .who supported Durbin last year, hasn't made up his mind on the Tester bill, but says the ongoing swipe-fee fight is one of the "top 10" most brutal and well-funded battles he's seen in the Senate.
"We're going to try something we made up called 'strobe testing' where we open the world up to testers for, say, 24 hours during a given week, then wipe it and start again.
Rog How: We make small tester orders to try to diversify our stock as much as possible.
Make sure your tester is clean and calibrated (for a more exact measurement).
