Dropbox plans to acquire AI storage startup Tigris Data for $350M, its largest acquisition to date; Tigris raised ~$31.9M from Spark, a16z, and others (Mary Ann Azevedo/Crunchbase News)
https://news.crunchbase.com/ma/dbx-ai-infrastructure-deal-tigris-acquisition/
http://www.techmeme.com/261105/p31#a261105p31