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More than 1.7 billion
use Gmail. It now has 15 gigabytes of free
. It also has new
. One of these is a one-click unsubscribe
. Another is an "undo send" button. Users can stop a
from being sent even after they click "
". The PC Mag website said Gmail, "is so [
] in so many people's lives that
anyone thinks much about
." Maybe people will use Gmail
.