Mr Piano's design offers something more sustaining than an obvious visual hook: it opens up a rarefied world to the wider community, encouraging engagement, conversation, cross-fertilisation.
You could love or hate their work, but at the very least it offered the possibility of an engagement, conversation, interaction.
"This is the beginning of the re-engagement conversation," Victoria Nuland, the State Department spokeswoman, said in Washington.
Even before their engagement, holiday conversations with their families regularly focused on where the pair will sink roots, a question complicated by Mr. Berman's three-hour daily commute.
The company has explicitly said that the "Top Tweets" feature has increased both engagement and conversations on the app.
This takes authentic engagement in conversations about culture, leadership and the business implications of diversity.
Through personal engagement and conversations, and a sustained campaign, together we will restore marriage in California and secure the freedom to marry nationwide.
A recent blog from the CUNY Institute for Education Policy defined parent involvement along three domains: school involvement (participation in school events, interactions with teachers), home involvement (activities at home, such as reading and checking homework) and parent engagement (parent/child conversations about educational aspirations and expectations).
"We want to dial up that engagement, that conversation, with people who buy running sneakers," he added.
There's already that engagement and conversation.
