Google and Apple have more cash sitting on the sidelines than they could put into R&D -- I don't see these buybacks as stifling innovation, it's more like putti

Google and Apple have more cash sitting on the sidelines than they could put into R&D -- I don't see these buybacks as stifling innovation, it's more like putting money back into circulation. GOOG: https://www.google.com/finance?q=NASDAQ%3AGOOGL https://www.google.com/finance?q=NASDAQ%3AGOOGL, APPL: https://www.google.com/finance?q=NASDAQ%3AAAPL https://www.google.com/finance?q=NASDAQ%3AAAPL