SNIFF

Sniff/Tool can search for you, using any of dozens of search engines, as well as other useful sites that can be searched. S/T can also return a Wikipedia page. Hence, S/T can sniff.

TOOL

Sniff/Tool can also convert measurements, look up all sorts of lists and charts and databases, calculate distances, convert currency, show you who won Best Actor in 2003, and even tell you the capital of any U.S. state, Canadian province, and country. Hence, S/T is a tool. I mean a real tool.

HUH?

Still don't get it? You can look up all supported commands that Sniff/Tool recognizes.