Square Inc. Individual Contributor License Agreement(spreadsheets.google.com)
spreadsheets.google.com
Square Inc. Individual Contributor License Agreement
https://spreadsheets.google.com/spreadsheet/viewform?formkey=dDViT2xzUHAwRkI3X3k5Z0lQM091OGc6MQ&ndplr=1
I can definitely imagine cases where the time and effort required to get company approval to sign such an agreement would outweigh the benefits of submitting a change upstream; I've been in such a position myself.