[CRM for Online Stores] How to choose one, advantages and analysis of the 4 best

Surely, you keep track of your customer’s activity.
You know, the classic Excel spreadsheet you fill in with things like:
– Each customer’s purchase history
– The messages they’ve sent you (queries, complaints, etc.).
– The date they first signed up at your store.
In a nutshell, all the data that help you better understand your customers, offer them a customized service and optimize your sales strategy.