>it'll probably be a long time before enough browsers support this Will it? All major browsers now receive automatic or timely updates. The speed of features r

>it'll probably be a long time before enough browsers support this Will it? All major browsers now receive automatic or timely updates. The speed of features rolling out over all major browsers is pretty rapid now days and unless you care about supporting IE you can expect new features to be ready to use within a year. There is only so much you can do to support users using a discontinued browser many many years out of date. Unless you want to be stuck in 2013 forever you have to let them go eventually.