Jane Manchun Wong, a security researcher who also successfully hacked the display dome on top of a Waymo vehicle to display ...

but "give yourself a limit you're comfortable with and be able to hit the 'no tip' button without feeling rude," Gottsman told CNBC Make It. And of course, sometimes it's a good thing to let your ...

“If others are with you and can view the transaction, you might feel embarrassed if you don’t at least hit the button for the middle range tip.” Despite situations in which it's customary to ...

Then, enter the amount of bill you want to calculate the tip on and split. Now, tap the "Tip" button—it's the one to the left of the divide button. Next, with the Tip field highlighted in green ...