Stack Exchange network consists of 177 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
At the rally about drafting yeshiva bachurim on March 2, 2014, over 600,000 Jews attended, and the blessing Chacham HaRazim was said. (two links)
The blessing was led by Rav Baruch Mordechai Ezrachi, and introduced by Rav Elimelech Tirnauer. (Hamodia)