Sure, you can believe them when they state the number of gigabytes in the drive, or what type of processor is in there, but when it comes to claims of performance and usability, they can be a bit biased.
With athletes running such quick times, the US Anti-Doping Agency USADAA) sought to counter claims of performance-enhancing drugs use through "Project Believe", a regular, extensive drugs testing program.
As for the Accelerade claim of superior performance related to protein, "We've tested protein and dozens of other ingredients that have not met our standards," Mr. Knott said.
They argued that Siegel's claim of superior performance for a small-cap value stock index over five years would be disproved over the longer term.
The researchers also examined Web sites for any products making claims of enhanced performance or recovery, collecting all references made by manufacturers to studies supporting their claims.
Both sides, he said, "must have assumed the risk that state secrets would prevent the adjudication of claims of inadequate performance".
Therefore, rotary cutting instruments for crown preparation are generally marketed with weak or unsupported claims of superior performance.
Debunking pseudoscience is his speciality but Shermer has also written widely about cycling's doping crisis, an area rich in bogus theorising and claims of supernatural performance.
When Mozilla first pushed their latest beta version of Firefox into the Google Play Store last month, it raised a few eyebrows thanks to its dramatic redesign and its claims of "significant" performance enhancements.
The news agency had been checking Facebook's own claims of improved performance after an earlier BBC investigation unearthed secret Facebook groups being used to share child abuse imagery.
