Worldwide ecommerce revenues are expected to growth from $185 billion in 2000 to $336 billion next year, $684.3 billion in 2002 and $1.26 trillion in 2003, according to new forecasts from eMarketer. The report also predicts that online business marketplaces will become more popular and grow in complexity, with small business being the primary users. Currently only 8% of small businesses are using ecommerce facilities ÂÂâ this is expected to rise to 72% by 2003.