Autonomous vehicle startup Aurora is close to finalizing a deal to merge with Reinvent Technology Partners Y, the newest special purpose acquisition company launched by LinkedIn co-founder and investor Reid Hoffman, Zynga founder Mark Pincus and managing partner Michael Thompson, according to several sources familiar with the talks. Aurora declined to comment. The Hoffman, Pincus, Thompson trio, who are bullish on a concept that they call "venture capital at scale," have formed three SPACs, or blank-check companies.