At what point are there simply too many phones? | Image: Cath Virginia / The VergeWe're not even half a day into September, and two new smartphones have already launched: the Poco F9 Pro and F9 Ultra. We're expecting more this week, as the IFA trade show kicks off in Berlin, before we get new iPhones a week after that. And that's only the beginning of what promises to be an exceptionally busy month for smartphone launches.For the decade I've worked in the industry, tech journalists have always spoken in hushed tones about the dreaded "Techtember," when just about every tech company on the planet seems to be in unspoken agreement that it's time to launch new products in time for the holiday buying season. (It's followed, …Read the full story at The Verge.