Iran has supplied Hizbullah militants in Lebanon with a small fleet of drones, though their usefulness is limited: Hizbullah uses lobbed rather than guided rockets, and it is unlikely to muster a ground attack that would benefit from drone intelligence.
Houston has just redesigned its entire bus network to provide a much more frequent service on heavily used corridors, dramatically improving the usefulness of the system without spending an extra dime.Washington, DC, where I live, has an extensive network.
But Dr Slater proved the tool's usefulness in 2006, when he used it to recreate a famous experiment conducted in the 1960s by Stanley Milgram, an American psychologist.
We selected the top five according to three criteria: usefulness of information, ease of use and appearance (see table).Tops is Nouriel Roubini's website.
Beta analysis, a tool often applied to individual securities in order to gauge their usefulness for hedging, can also be used to measure the way entire markets move in response to a change in the world index.
But its usefulness made it beautiful, he went on: "There is a deeply intuitive connection between beauty, function and purpose, especially when we are thinking about the beauty of nature".
The main reason Mercator's projection became so popular was because of its navigational usefulness; in his map, straight lines represent lines of constant compass bearing.
It will also be interesting to see how the highly promising Nabil Bentaleb fares if deployed from the start and, perhaps, make another assessment of the usefulness of Lukas Podolski in the centre-forward role.
Fair enough to expand one's repertoire, but none of these seems likely to replace, in terms of usefulness, the Von Furstenberg jersey wrap dress.
In a competition between a chocolate fireguard and an assistant referee, those peculiarly impotent additions vociferously promoted by Michel Platini as an alternative to video technology, the former would surely triumph when it came to usefulness.
We will discuss the usefulness and relevance of this method to your own work.
