Two Is Better Than One and join. A music video ecard was also released for the song. The single was sent to mainstream radio in the United States on October 19, 2009. FMQB Mainstream Releases "Two Is Better Than One" debuted at number 92 on the "Billboard" Hot 100. It fell off the following week but re-entered at number 79 and rose the following week to number 64. After a few weeks, the song then reached its peak at number 18 on the chart. It has since become Boys Like Girls' third top 40 on the Hot 100 as well as Swift's twenty-first entry in
Rule of thirds (diving) Rule of thirds (diving) In scuba diving, the rule of thirds is a rule of thumb used by divers to plan dives so they have enough breathing gas remaining in their diving cylinder at the end of the dive to be able to complete the dive safely. This rule generally only applies to diving in overhead environments, such as caves and wrecks, where a direct ascent to the surface is impossible and the divers must return the way they came. For divers following the rule, one third of the gas supply is planned for the outward journey, one third is