From The Wall St. Journal:

The goal, legislators say, is to broaden the tax base to cover a broader swath of the economy as traditional sources of tax revenue decline.

Although in early stages, service taxes are being considered by legislators around the country. In Kentucky, representatives have introduced a measure to extend sales taxes to some high-end services like limousines and balloon rides. In North Carolina, the legislature last year considered, but didn't pass, a proposal to tax services such as car repairs and lawn care.  Read more.