Jan 25 (Reuters) - Taboola, a company whose technology directs users to related content on the internet, said on Monday it would go public through a merger with ION Acquisition Corp. 1 Ltd., a blank-check firm, in a deal valuing the company at about $2.6 billion. (bit.ly/3a402AP) (Reporting by Niket Nishant in Bengaluru; Editing by Maju Samuel)