blinkx gets most of its revenue from the advertising that accompanies the videos accessed through its engines. Traffic has tipped over to a level at which it cannot fail to make money, assuming no one does anything very silly — the average during the first half was 31.6 million searches, against 13.1 million last time. Meanwhile, there is the prospect of its product going onto developing platforms such as mobile phones and internet TV. Promising but highly speculative; not for widows and orphans, says the Times.