You can easily hide rows in Google Sheets on your computer or mobile device. The same method can be used to unhide rows as well.

You can use VLOOKUP with Google Sheets similar to how the search function is used to find information in Excel.

These characters are not visible to the human eye but can still be understood by LLMs.  Last month, security researcher Viktor Markopoulos tested ASCII smuggling on various AI tools. He found that ...