SAN FRANCISCO (AP) — Slack Technologies, a fast-growing startup trying to wean businesses off email by hooking employees on its more informal messaging service, is now hoping to snare the world's biggest companies as customers….
SAN FRANCISCO (AP) — Slack Technologies, a fast-growing startup trying to wean businesses off email by hooking employees on its more informal messaging service, is now hoping to snare the world's biggest companies as customers….