[chithanh]

Sometimes it helps, sometimes it doesn't. Like when Sun Microsystems submitted ODF for standardization to ISO, it was so successful that Microsoft had to do it too for OOXML. In fact MS pushed so hard that it left a huge trail of destruction in the standards committees.

Other times, like with the "ISO power plug", the result was ISO/IEC 60906-1 which nobody uses. Swiss plugs (IEC Type J), which this plug is based on, use a slightly different distance for the ground pin, so it is incompatible. Brazil adopted it (IEC Type N) but made changes to pin diameter and current rating.