According to this post on Engadget, SMART are releasing an upgrade to their boards that allows them to distinguish between a pen, a finger and the side of your hand.
Touching the board with a pen will write, your finger will move things, and your hand will erase.
I don’t know yet if this is only on new boards, or is a firmware upgrade for all (or recent) Smartboards. I also don’t know how this will affect people who have become used to using different pointers on the board (such as paintbrushes)
I can’t find any info about this on the Smart website, but if I hear anything I’ll post it here. Likewise if you know about it let me know too!
Update. This is now on the Smart Website. All Series 600 boards will come with Touch Recognition. An older 600 series board or a second- or third-generation 600i board can be upgraded by replacing its SC9 controller with a new SC9 controller from SMART. Only the SMART Board 600 series can be upgraded, and Touch Recognition cannot be activated on a first-generation 600i . More here.
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Danny Nicholson : Educator, Science teacher, ICT Consultant, PGCE lecturer, Author and Web2.0 / SMART Masters/ Interactive Whiteboard Trainer. 



You can read more about it on our new post!