An important, if not surprising, item: Another Google/YouTube exec has voiced his opinion that YouTube will be profitable this year. More interestingly, an outside analyst has done the same, and also forecast a gross revenue figure of almost $1 billion. Let's start by talking about Citigroup's Mark Mahaney, who generated that estimate. As Peter Kafka explained, Mahaney took MySpace's established revenue-to-page view ratio and applied it to YouTube's stats. In this manner,