You don't need 100% convenience.
You need to take responsibility of your data.
- Firefox for surfing the web.
- Nextcloud for storing files, contacts, calendars.
- Mullvad for browsing securely and privately.
- DuckDuckGo for searching anonymously.
- ProtonMail for emails.
- Signal for messaging.
- Firefox is open source. Mozilla is a community, supported by a not-for-profit. Read the manifesto.
- Nextcloud is open source. The company finances development by offering support.
- Mullvad costs €5 per month. They're serious about privacy. They're strong technically.
- DuckDuckGo is an alternative to Google. Read about DuckDuckGo.
- ProtonMail has a business model incentive to keep data secure. You can pay by cash or Bitcoin.
- Signal developed the Signal Protocol. Most of their stuff is open source. They're non-profit.
- Big data can solve a lot of problems.
- Big data can create a lot of problems.
- What matters is who owns big data.