Aboard is not an easy app to explain. It used to be easier: at first, it was a way to collect and organize information — Trello meets Pinterest meets that spreadsheet full of links you use to plan your vacation. The company’s founders, Paul Ford and Rich Ziade, are two longtime web developers and app creators (and, in Ford’s case, also an influential writer about the web) who previously ran a well-liked agency called Postlight. They did a bunch of interesting work on parsing ...