From TigerDirect's website:
The LG LSM-100 Mouse Scanner USB lets you scan files even when on-the-go. It functions as a scanner and mouse making it a very useful PC peripheral. It can scan documents of up to A3 just by dragging over this unit across the desired file. It can also recognize text from your scanned files so you won't have to retype its content thanks to its OCR function. Sharing your scanned content is also easy because it can post in real-time through social networking sites like Facebook and Twitter. Purchase the LG LSM-100 Mouse Scanner USB now so you can scan documents wherever you go.