fpsaldana/StringReverse — pull request #1 by Oscarbralo (2013-09-09 14:59:03+00:00)
Title: Update Program.cs

It´s better tu use here StringBuilder instead of String, because strings in C# are inmutable, then each time you add a new char to a string, you are making a copy of the string and wasting a lot of memory. With StringBuilder it doesn´t happend! ;)
Enjoy!