This is a list of inventions or products so bad, that I get angry everytime I use them. MS Excel (and equivalents) Having a large grid as a playground may be the first idea to come up with when building a software for table editing. But it only works as long as you don’t need a second table. Okay, technically you can still do it, but how you do it is done differently by every person. Some put it right next to it, some leave a column as a separator, some start the next table below the first, some...