Consider the position of their own technological level is generally not (large probability), such as: code don't want to write, don't want to learn new technology, but also what to understand a little, this embarrassing situation is to choose the technical support industry, low threshold, technology is not deep,
1. The professional salaries and pure research and development is a big gap,
2. Travel frequently, the customer is a big ye, the nature of technical support is geared to the needs of customers,
3. In the past for a long time, it is difficult to learn something deeper that advantage is for implementation and integration of each technology related original understanding,
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For some time, both of my former company after (we call) travel, customer databases or server has a problem is often developers remote or telephone, to solve the technical support cannot refuse incurable diseases in the end still want to consult r&d, there will always be a gap, but the position has the desire to do better to do research and development, customers have a problem first looking for technical support, and programmers do not have what big problem won't manage the general customers, and programmers are not willing to travel, technical support is always a gap, the company may be different position is different also, anyway, I think this position is quite embarrassed, then the boss also feel this job so much liquidity, requires a certain change, cancelled the job directly, for some older middle management of research and development, reduce the workload directly involved in the research and development, make them shoulder straps do technical support work, for everyone is equipped with sunflower remote navigation service, reduce the rate of the support work on a business trip, most of the problems are online, the entire video can also avoid conflict, change after the middle management actually live a lot less than before, the rest of the work time can be used as a learning cost,

Note: there's a difference, technical support and customer service is a technical customer service by the way, they will find bugs let you change, and the test and a little similar, but the people in the test not to dismiss, there maybe a sweeping monk, retire the whole stack of engineer,,,