A disposable phone number is a virtual phone number that is usable temporarily. The temporary number is purchased from a service provider. Calls to that number are forwarded to the user's existing phone.

A mobile phone (also known as a wireless phone, cell phone, or cellulartelephone) is a small portable radio telephone. The mobile phone can be used to communicate over long distances without wires.

(Yes, you could all text without a data plan.) Yes, some of us have iMessage if we use iPhones and iPads, which means we can forgo that unlimited texting plan on our smart phone bill. However, we are all still slaves to Wi-Fi or have memorized how fast our data plan is chewed up with every ping.