Caveat emptor as 'information asymmetry'. Defects in the good or service may be hidden from the buyer, and only known to the seller. A common way that information asymmetry between seller and buyer has been addressed is through a legally binding warranty, such as a guarantee of satisfaction. But without such a safeguard in place the ancient rule applies, and the buyer should beware. Under the principle of "caveat emptor", the buyer could not recover damages from the seller for defects on the property that rendered the property unfit for ordinary purposes. The only exception was if the seller actively concealed latent
What Do You Mean? also debuted at number one the "Billboard" Hot Digital Songs chart, selling 337,000 copies in the week ending September 3, 2015—marking Bieber's second number one single on the chart, following "Boyfriend" which sold 521,000 in its debut week. In its second week, "What Do You Mean?" stayed at the top of the Hot Digital Songs chart with sales of 159,000 copies, however, it descended to number three on the Hot 100, with a decrease of 30% in overall activity, but rebounded to the runner-up spot the following week and stayed as the best-selling song with 128,000 downloads. On the chart