We also tested an example of personalisation that Eli Pariser cites in his book.

BBC: Are we trapped in our own web bubbles?

As an aside, we also tested the tags with our Galaxy Nexus and had no problem picking up the associated message.

ENGADGET: LG Optimus Vu review: a 5-inch, pen-enabled phone to take on the Galaxy Note

None of these problems is unique to the UK. But Britain happens to be the first Western nation to host the Games since the credit crunch, so it is we who are also the first to be tested.

CNN: Why Britain doesn't love the Olympics

"Sure, it could be live fish and it also could be these other things, because we tested them and looked at the evidence, " Baerwaldt said.

WSJ: Report: Asian carp may have reached Great Lakes

To do this, it is imperative that we increase the number of people who are routinely tested for HIV in health care settings, and also make it easier for people to get tested in community settings.

WHITEHOUSE: Today Is National HIV Testing Day