I actually would have typed that into my comment too, but i have no knowledge of how much slower a wind powered boat would travel upwind or how dependent performance would be on wind. I totally understand the need for mechanically powered transportation instead of using wind. My comment is mainly targeted at the misleading comparison.
Great phones, but ads merged in to phone features, bloatware and hiding regular android features under their own commercial features is just bad style. I love the phones (compared to the price tag) but hate what they do with them