After all these years, and growing up with Windows 3.1, I have seen an entire evolution of computers and software. Touch screens and large resolutions were a pipe dream just 15 years ago. Now it's the norm. Going from a Packard Bell (yes, before HP) that couldn't run 3D Ultra Mini...
Overall light strokes are much more effective than heavy or the long ones.
You can hit mountains, but not ones with spikes.
Keep in mind that the balloon can handle about four minor hits before it explodes.