Speaking of crackdowns… A new report by the competition regulator is challenging Google’s dominance in online advertising, saying it’s harming Aussie businesses and consumers. A long-awaited report by the Australian Competition and Consumer Commission (ACCC) found that in 2020, more than 90% of clicks on ads passed through at least one Google service. That means that a good chunk of ad revenue went to the tech giant. The report also found Google used its power to reduce competition and that the vast troves of information it collects from users give it a “data advantage” over competitors. The fix: ACCC boss Rod Sims wants new powers to improve Australia’s online advertising market competition. For Google’s part, it says it delivers benefits for businesses and consumers. And speaking of big tech… TikTok yesterday reported it has 1 billion monthly users. For comparison, Facebook has about 3.5 billion…