It's not exactly a replacement for a good monitor, but it gets the job done if you need an extra screen ... tablet, find the ...

the Tablet PC was designed like a portable writing instrument. Although anything on screen could be stored as an image, handwriting could be converted to text. Storage was a hard drive.

[Mal’oo] has one of those laptop computers whose screen swivels to turn it into a tablet. But the thing is ... a Bluetooth dongle permanently to your computer. But he’s got other things ...