By Tom Bemis This new feature could help prevent a lot of embarrassment Apple’s (AAPL) – Get Apple Inc. Report making a big change to one of its most popular services and it could save people a lot of embarrassment. For those who tend to shoot from the lip, and hit “send” right after they’ve written something, the change could be especially helpful. Those who don’t bother to proof read while writing could also find this change to be a real help. But there are limits on how long people can take advantage of it. What’s New?The change involves a tweak to Apple iOS and its messaging app. Once the …