Remember those giant “Welcome to New York” signs that appeared in Montauk two summers ago — only to be taken down after the public pointed out that they were not just ugly but totally pointless? They were part of a campaign funded by the state that was supposed to boost tourism by informing tourists who’d already arrived that, yes, you could eat and drink in New York, and visit unspecified “attractions,” and fill your days with delight by accessing an I ♥ NY app.