Cellphones were once simple tools for making calls on the go. But the phones have quickly become all-purpose devices, used to send email, read articles, find restaurants — and tell time.
And as more people carry that tool in their pocket or purse, fewer are relying on wristwatches to keep on schedule.
Monica Espitia is one of them. "Since I've had a cellphone, I pretty much stopped wearing watches," she says. "Until I went on vacation and I didn't know what time it was."