An expired token and you get to play the game again. Sony was using this for their SEN logons and walked back the change after maybe a day (if that). The alternative was hilarious; pick out 10 different sounds only to get an error at the end.
It’s the only time I’ve ever called a support line and asked for an immediate escalation to a manager. Customers locked out of their accounts is very bad for business.
You mean the basket. The portafilter holds the basket and is inserted into the group head. They can be bottomless (naked) or have spouts.
On to baskets. You can buy single/double/triple shot sizes (typically 7/14/21 grams) but you can also buy 18/20/22/24/25g baskets. You’ll find most serious cafes use 18/20/22g baskets. Barista’s almost always love to chat so don’t be afraid to ask questions. Just be nice and they’ll tell you just about anything you want to know about pulling espresso shots.