Editor's Note: This content was originally published on Benzinga.com by The ETF Professor Benzinga Staff Writer. With 2013 finally here reflecting back on the year that was big for exchange-traded products can provide investors with some clues regarding what themes and trends will be hot this year. This is not a bold prediction but it is reasonable to expect one of 2012's hottest asset classes to stand tall again in 2013. The asset class being referred to is emerging markets ETFs both bonds and equity-based funds. While the final tally for 2012 ETF inflows has not yet been published ...