This is an application to show what’s in the news and how those
concepts relate to each other via the Guardian’s Open Platform
Content API. Those concepts will be subjects, contributors, or
types of content (e.g. article, video, etc) and appear on the
screen as bubbles. Bigger bubbles represent tags that have been
used more; smaller bubbles represent tags that are used less.
Distance is also relevant: closer bubbles mean those tags are
used together more often; more distant bubbles are tags that
have less in common. So for example, the first screen you see
will have UK news and World news quite large, because we write a
lot about those subjects, Sport is slightly smaller, and Travel
smaller still. Meanwhile Poll and Video have a bit of distance
because content tends not to be both. But the real fun starts
when you double-click on a bubble — that’s when you drill down
into a tag. If I double-click on Technology to drill down into
that several things happens. First the Technology bubble
pulsates while it fetche