In most ways, the Epson WorkForce DS-30 portable scanner ($179.99 direct) is simply one more variation on an old standard: a no-frills, portable scanner limited to manual feeding and simplex (one-sided) scans.
Small; Light; Inexpensive; Gets power over USB cable; Can send files to Microsoft SharePoint, EverNote, and Google Docs
Simplex (one-sided) scans only; Manual feed only