Not every photograph in a user's feed is shoppable, and those that are have an additional "Buy" button.
The companies that have relied most heavily on additional buying by wholesalers have raised their prices more frequently, and at higher annual rates.
It said they might use their additional buying muscle to squeeze suppliers and use the gains to boost profits rather than cut prices.
Beyond that, the rising price has on its own generated additional buying enthusiasm, attracting purchasers who see the rise as validating an investment thesis.
Liberty's investors will hope that further savings can be found from the additional buying power for both content and set-top boxes.
Barring steep withdrawals by investors, managers will put some of that built-up cash into the market as this fall's nervousness subsides, providing additional buying pressure, Mr. Berdine said.
Given the latest government figures show the annual rate of house price growth stood at 8.3% in July – bringing the average property value to £216,750 – this additional buying power can make a big difference.
Any upgrades could provide additional buying pressure for the security.
The volatility along the way creates additional buying opportunities.
The most important premium feature, though, is additional buying power.
The company also offers Gold subscriptions for a monthly payment, which provide additional buying power.
