The ranks of Internet Protocol Television (IPTV) subscribers grew dramatically in 2006. However, the real excitement is just beginning, as subscribers rise to more than 65 mln by 2010. The growth of IPTV will contribute to a telecom operator revenue stream of about $18 bln by 2009. At the other end of the value chain, sales of semiconductors for IPTV across all categories will grow to $7.8 bln by 2009, iSuppli reports.