
The other investors besides Google include angel Mark Cuban, FF Angel, Naval Ravikant, AngelList and SecondMarket, according to news provider Tech Crunch.
China-based enterprise management software developer Yonyou Software's corporate venturing unit, Yonyou Xingfu Investment, has invested RMB10m ($1.6m) in kitchenware retailer Jiaku.com.
Amazon had previously bought in 2008 Shelfari, a virtual bookshelf set up by Josh Hug, co-founder of Remitly with Matthew Oppenheimer.
Quantance, a US-based mobile device battery manufacturer backed by Docomo Capital, has raised $1.65m from five investors.
High-Tech Grunderfonds (HTGF), the German state and corporate-backed early-stage investment company, has backed four local companies.
Canada-based Saltworks converts salt water into fresh water through desalination.