Arc Search from The Browser Company was today updated with a new "Call Arc" feature that's designed to let you conduct a search in a gesture that mimics a phone call. To use the feature, open up Arc Search, raise the iPhone to your ear, and ask a question. The gesture of raising the ‌iPhone‌ to your ear activates the search option, and answers are provided verbally, so the entire voice-based search experience makes it look as if you're simply talking on the phone. Arc Search now has voice-activa...