Thatcher reinforced this essential improvement by a revolutionary simplification of the tax system, reducing a score or more "bands" to two and lowering the top rates from 83% (earned income) and 98% (unearned) to the single band of 40%.
In the fall of that year, 1982, the company demonstrated a revolutionary-looking operating system (to be precise, it was an overlay to Microsofts original operating system, DOS) called VisiOn, which used a mouse and sported nifty little graphics called icons.