Regardless of the search engine, the basic principles of SEo are the same, there may be minor differences like number of characters in title, meta etc. but the basic principles of SEO are the same.
I dint do different methods of work for both google and bing. Doing same process for both search engine.
That is correct. What is even better that it has been specified how many characters should be used and where "Tip 4 - Meta tags optimization » The text in meta description should be in between 25 characters and 150 characters. » Number of characters in your keywords should be less than 874 characters" from http://www.seobing.info/search-engine-optimization-bing/ Regards, ASHISH THAKKAR