According to @StockMKTNewz, CNBC reported that Gmail now exceeds 3 billion users and Google said it is adding Gemini AI features to Gmail, including artificial intelligence-generated summaries of email threads, on Jan 8, 2026 (source: CNBC via @StockMKTNewz). The report explicitly highlights the new Gemini AI email thread summaries being added to Gmail by Google today (source: CNBC via @StockMKTNewz). The cited coverage did not reference any cryptocurrency or blockchain integrations tied to the Gmail update (source: CNBC via @StockMKTNewz).