It is worth mentioning that Surface Pro is by far the most popular with users of Surface equipment, Surface Pro 4 proportion is as high as 39.7%, Surface Pro 3 also is as high as 21.7%, while older equipment Surface Pro/Pro 2 still has 5.6% and 3.7% of the users. On the Surface Book, however, the average user accounts for just 0.4 per cent of the market, except for the 7.5 per cent share of the first generation, which may be due to a short listing. The lack of enthusiasm and patience by apple's spoilt consumer groups to adapt to the development of terminology and unusable workflows has created new demand for products. Euroglaze trade customers are seeing returns on the company’s ongoing marketing investment, with leads generated now being distributed directly to them. India's top tax authority is expanding its probe into bitcoin investments and transactions, and last week visited at least nine bitcoin exchanges across the country. At that time, there have been reports, tax authorities suspect there is tax evasion in this field, has started "investigation", in order to make clear the status of investors and traders and trading, the related bank account holder's identity and other details. On the basis of introducing marginal concepts and mathematical argumentation, neoclassical has established a formal "perfect" mathematical model for the neoclassical "laissez-faire order" : general equilibrium. The price is the most important independent variable in this model, which can also be called price mechanism. The process of achieving general equilibrium is also a process of social resources guiding the flow of prices, so the price mechanism regulates the allocation of social resources.