The cross-party delegation from the Bundestag's EU Affairs committee was in London to highlight Germany's growing alarm at the danger of a possible UK exit.
Davison won't disclose how many people have signed up for Highlight to date, but our tests in London this week revealed a relatively thin pool of users. (For context, another fledgling rival, Banjo, hit 1 million users in April.) He appears to be some way off from the fabled "critical mass" at which a network becomes an attractive user destination.
Instead -- following more than a year of tests, X-rays and research -- it was confirmed as a Velazquez, and so became the highlight of Wednesday's old masters sale at Bonhams in London.
He presented information about his research at an event in London organised by the Engineering and Physical Sciences Research Council to highlight how science can aid forensic work.