Also should be noted that the runup in tech valuations has meant that engineers who joined a few years ago at a fang have seen their stock grants go up a lot in

Also should be noted that the runup in tech valuations has meant that engineers who joined a few years ago at a fang have seen their stock grants go up a lot in value. Now, to be able to hire experienced engineers from each other, companies have upped the size of their signing bonus and initial grants to match the run up in value of unvested stock.