用a piece of software

Security researcher Graham Cluley said the group, which encourages members to download 【a piece of software】 to launch the attacks, had selected its targets in discussions in an Internet Relay Chat (IRC) forum on Sunday.
BBC: Anonymous activists target Tunisian government sites
And if we let every company that writes 【a tiny, trivial piece of software】 get a patent license from everyone who wants to have a Web site, then the Web becomes impossible.
CNN: Open source advocates hail graphics-format switch

真是有a lot of software的说法呢。