The Smell of Worship

Exodus 30 is all about the Altar of Incense. The Altar of Incense was the last piece of furniture to be put into the Tabernacle, and the piece that ties it all together. The use of incense in worship is unfamiliar to many of us today, but in the OT it was a pleasing aroma to the Lord. What is the smell of worship, and what does it mean for us?