"Whatever products they have developed obviously haven't been working," Brockmann said.
That's bad news, as PDF spam seems poised to overtake image spam as the next big problem. "Now it looks like there's going to be PDF spam, which is even worse for businesspeople," Brockmann said. "We sign purchase orders and pass contracts back and forth [as PDFs] all the time."
Rather than rate each vendor individually, Brockmann's survey divided technologies into eight categories. The firm surveyed 520 people working in IT, sales, marketing, finance, human resources and administration, or C-level executives. 
Laptop terbaru, terkecil dan termurah seharga USD 75
