Not every dance has to push the boundaries of the art form, explore the frontiers of something or other, or force us to confront inner demons.
Like most ageing pop culture icons Arsène Wenger has by now pretty much completed the full circuit from youthful innovator, new broom and all-round king of the wild frontier to something that looks a bit like the opposite: stick in the mud, barnacle, emissary from the distant past.
Frontier knowledge is something new, and something really new cannot be turned into solid knowledge immediately.
And how the Internet, which started out as an endless frontier of perfect anonymity, has coalesced into something almost totally different: a galaxy of communities, in which people come together around shared interests and values and grope their way toward local standards for fairness and respect.
These changes are a sign of something more profound: this is an orchestra and music director on a frontier.
They hold out the promise of something different, something that connects the jaded traveler to either a personal or a collective American past — the past of the frontier, of "On the Road," of backyard tree forts.
"Natural language is something that is really the next frontier of this," Sheth noted when he discussed the new Natural Language API.
There is always something else to raise money for: the next frontier of swing states, the push to take back the Senate, the drive to put more Democrats in the House. .
We think there's something there that could be really, really interesting for a next frontier of game development".
The last frontier of boring is of course Will and Kate's next arrival, who will no doubt be called something solid such as Philip or Victoria.
