Top 20 tools? Do you agree with this?

Recently there was an article in Forbes magazine, stating the 20 most important tools ever being invented . This list somehow has ignored the some of tools associated to certain industries. For example there are lot of tools being developed in agricultural industries which has revolutionised the agriculture, but there is no mention of those. I don't agree with this list in full but in part. What do you have to say.

Here is a snapshot to the tools images.