• In Gmail, select the gear icon > Settings > Accounts.
• Find the “Send mail as” section.
• Head to the edit info link and add the new sender name that you’d like to use in the box below your current name, and then click “Save Changes.”

2. Reverse Text in Google Sheets

Want to make your text in Sheets… 

…reversed like this?

• In Sheets, go into Tools > Script editor, and copy and paste this script from StackExchange: 

/**
 * Reverses the input text.
 *
 * @param {string} input The text to reverse.
 * @return The input text reversed.
 * @customfunction
 */
function REVERSE(string) {
  if (typeof string != 'string') {
    return null;
  }
  return string.split('').reverse().join('');
}

• Now you’ve created a reverse function in Sheets. So if cell A1 contains the text you’d like to reverse, type =reverse(A1). The resulting text will be the exact reverse of your original text. 

3. Automatically Replace Words in Google Docs

You can replace words automatically in Google Docs with words of your own choosing. Essentially, you’re going to change the built-in auto-correct, so that you can have some fun with your friends.

• In Docs, go to Tools > Preferences.
• Now, choose a few words that your friend might use on a regular basis. For example, you could enter “sales” and have it be replaced with “lizard people,” and you could enter “video” and have it change to “blueberries.”
• Now, when someone goes and writes a sentence that would normally contain those words, they end up with some very unusual results!

Click here to watch this video on YouTube.