how can another person use their sign in on my computer?

[02*mcevoy]

How can another person view their ebay and paypal on my computer?

[wide-world-of-stamps · Accepted solution]

You can't have 2 Ebay accounts logged in on the one browser, so try any of the following :

Log out of your Ebay and they can then log into theirs.

Alternatively, they can use a different browser to log into theirs, or an incognito window.