Efforts by tech giants to be more transparent about the ads they run are — at very best — still a work in progress, according to a report looking at ads transparency tools. The report comes about a half year since the European Union’s Digital Services Act (DSA) rules for larger platforms came into force, mandating companies offer a searchable public ads library. Companies include: Apple, Google, Meta, TikTok and X. In some cases, notably (but not exclusively) X’s, the level of ad transparency pr...