Search Engine Journal reports that Threads, a Twitter competitor launched by Meta Platforms Inc. , +0.93% ,, has reached 100 million signups. This is based on how many badges appear on Instagram profiles. ChatGPT reached 100 million users in two months, while TikTok did so in nine months. Meta’s shares were up 1.4% during premarket trading and have gained 141% in 2023. The S&P 500 SpX, +0.09% is only up 15%. Meta’s Threads is gaining momentum — at least initially. It will be important to maintain it.