For it to be ignored, it better be below 1% market share. Try explaining to your invesors that users least likely to understand why they can't do business with

For it to be ignored, it better be below 1% market share. Try explaining to your invesors that users least likely to understand why they can't do business with your site are unimportant. If your market is "developers"....it might be OK to ignore ie8 at 5% and explain why in some js that detects it. However, for majority of e-commerce sites, even 1% would mean a loss in sales that would be unacceptable to many business owners I know Source: I work in web hosting -- e-commerce mostly.