Sosyo Plus Bilgi Bilişim Tekn. Dan. Hiz. Tic. A.Ş., also known as Insider, is a marketing platform. Insider announced an investment of up to US$ 105 million from existing investors, Qatar Investment Authority (QIA) — and Esas Private Equity. With this latest investment, Insider’s total funding amount reaches US$ 274 Million. The funds will be…