When it comes to conversations about church, most of us imagine sitting around a table and engaging face-to-face. Maybe we’re in a church basement, conference center, coffee shop, or local bar. But lately Presbyterians have been gathering for a weekly conversation around their phones or computers, using Twitter and a common hashtag. These online conversations can take place on a couch at home while kids are playing, at a computer on a desk at work, or on a smartphone while waiting in line at the grocery store.