Camera images usually contain additional description about camera settings and scene information of the the picture taken. By using EXIF, you can view this data online.
You can set notifications to find out when your collaborators have modified your spreadsheets, and learn what sheets or cells they've modified. You can also choose how often you'd like to be notified.
If you are looking for a certain words on website, bur there's too much text to find it in a reasonable time, you can use a handy find function built in Google Chrome browser.
If you are using the same entries all over again, you can create a custom list with these entries and when you need it just enter the first one then drag the cell down for the rest to fill out automatically.
I will show you how you find out if a website of your choice is using cookies. If the result is positive, you also find out which cookies are being used and what's their purpose.
