public Double Parse()
        {
            String html;
            Double result;
            Int32 first, last;
            using (var client = new WebClient())
            {
                html = client.DownloadString("https://www.coingecko.com/en/widget_component/ticker/ethereum/usd");
            }
            first = html.IndexOf("<span>$", StringComparison.Ordinal) + "<span>$".Length;
            last = html.IndexOf("</span>", first, StringComparison.Ordinal);
            Double.TryParse(html.Substring(first, last - first), NumberStyles.Any, new CultureInfo("en-US"), out result);
            return result;
        }