30 ms·Nobody in their right mind uses inches anymore. Please adapt SI units asap. ;-)by martin_a 6y agoNobody in their right mind uses inches anymore. Please adapt SI units asap. ;-)carl_dr 6y agoThe article gives the dimensions in only mm, your parent was trying to help those people who are more familiar with inches.tyingq 6y agoI believe it was a friendly joke.martin_a 6y agoIndeed.