"Middle out" is not "tip-to-tip efficiency." Though they were indeed invented (discovered?) by the same team at approximately the same time, and may also be lin

"Middle out" is not "tip-to-tip efficiency." Though they were indeed invented (discovered?) by the same team at approximately the same time, and may also be linked (depending on one's scientific, mathematical and/or philosophical definition of 'linked') they are independent algorithms solving radically different problems.