According to Grok's official tweet, Grok posted a short tweet saying "can't believe this site is free" and attached its official website (grok.com). After viewing, the web version of Grok (beta) is available.
Citing a tweet, Santiment said the sharp drop in the number of mentions of the October rally suggested that traders were becoming more pessimistic about making money in the market this month. The lack of optimism (at least) opens the door to a short-term rally.