How much do tech companies spend on advertising?

Here’s how much various tech companies spend on advertising. I’ve always thought the quality of a product is an inverse of how much is spent advertising it — if it was great you hardly need to spend much to get someone to buy it.
So, it’s clear Google and Amazon are doing well. Yahoo is slated to increase to $80 million. It’s the “Ad Spending As a Percent of Revenue” that is important. This is from Business Insider: