The most important application of diazo coupling reactions is electrophilic aromatic substitution of activated benzene derivatives by diazonium electrophiles. The products of such reactions are highly colored aromatic azo compounds that find use as synthetic dyestuffs, commonly referred to as azo dyes.
The biggest IT vendors in the world by revenue. Research and advisory company, Gartner, has published the top global 100 vendors in IT in 2016 based on their revenue across IT and component market segments. Apple is listed as the largest vendor with more than $218 billion in IT revenue â approximately $79 billion larger than second placed Samsung Vendor Group, while Google is third.
1. Cut back on the number of models. Samsung wants to provide a wide range of devices to appeal to every consumer possible. Its smartphones touch all different screen sizes and prices, and that's something that has helped it become the biggest mobile phone vendor in the world. But it has gone a little overboard.n China, for instance, Xiaomi puts high-end specs in its phones but sells them for mid-or low-end prices. The company has been in the smartphone industry for only four years, but it has already surpassed Samsung in the world's biggest phone market with devices such as the $154 Redmi Note or the $322 Mi 4.