Ключевые слова: crisis communication, currency exchange, currency market, digital advertisement, digital display, digital finance, digital signage, digital ticker, dollar fluctuations, dollar sign, economic alert, economic downturn, economic fluctuations, economic instability, economic signal, economic warning, electronic billboard, electronic currency, electronic sign, exchange rates, financial crisis, financial indicator, financial news, fiscal crisis, global economy, investment signal, market instability, market volatility, monetary crisis, monetary trends, money symbol, realtime data, street display, street finance, urban billboard, urban economic trends, urban finance, urban trading, volatile market,