2023 年 11 月 27 日晚间，滴滴因系统故障导致 App 服务异常，不显示定位 且无法打车。随后滴滴出行官方回复称是因系统故障导致。 11 月 28 日早间，滴滴出行消息称，网约车等服务已恢复，骑车等在陆续修 复中。在滴滴发出公告的同时，记者在上海、深圳等地使用滴滴呼叫网约车， 发现网约车功能并未恢复使用，网络加载异常，仍无法打车。11 月 28 日， 滴滴向记者回应称，网约车服务已恢复，司机乘客权益陆续恢复补发。 滴滴向记者回应称，网约车服务已恢复，司机乘客权益陆续恢复补发。 11 月 29 日，滴滴再次发文致歉，称初步确定事故起因是底层系统软件发生 故障。 滴滴 11.27 史上最严重服务故障 马斯克收购 Twitter 并大幅裁员后，导致网站的服务可靠性出现显著下降。 某天再度出现了严重的宕机故障——无法打开任何图片和链接。 具体表现为，当用户在推特上加载图片和点击链接时会返回错误信息，称 “您当前的 API 不包括对此端点的访问权限”。

响在此略⻅⼀斑。WeBank 微 众银⾏作为新兴的互联⽹⾦融公司，已开源 27 个项⽬，44 个 repo，覆盖⼈⼯智能、区块 链、云计算和⼤数据等领域，也是公司早期就建⽴开源办公室的⾦融公司。滴滴开源势头很 猛，成⽴开源委员会，不仅积极参与业界开源项⽬，还在 GitHub 上积极开放出 38 个 repo。Deepin 的桌⾯环境 DDE 受到国内外⽤户喜爱，软件⽣态除了⾃研还在其应⽤商店中收

基金会 AI & Data 中兴通讯 2019 年 10 月 Angel Linux 基金会 AI & Data 腾讯 2021 年 5 月 DELTA Linux 基金会 AI & Data 滴滴 2019 年 10 月 Elastic Deep Learning Linux 基金会 AI & Data 百度 2020 年 7 月 Milvus Linux 基金会 AI & Data Zilliz

受到大家的认可与喜爱固然重要，但对于 C 端用户，有两个需要时刻牢记的问题：一是 C 端用户是没有忠诚度的，谁免费就用谁，谁给补贴就用谁；二是某一个大模型对 C 端用户比较 难产生独特的粘性。 第一个问题的例证太多了，百团大战、滴滴快的、社区团购、pdd。大模型厂商维系 C 端 流量的成本可能是个无底洞。 第二个问题则涉及两个方面，一是大模型赛道本身的极度内卷，技术上拉不开差距；二是普 通用户的使用随意性很强，准确性要求

2019 年 10 月 Angel Linux 基金会 AI & Data 腾讯 2021 年 5 月 DELTA Linux 基金会 AI & Data 滴滴 2019 年 10 月 Elastic Deep Learning Linux 基金会 AI & Data 百度 2020 年 7 月 Milvus Linux

the current trace segment, you can cancel placing the via by pressing . The via will be removed and routing will continue on the original layer. You can place a via and end the current trace, without changing router will begin a trace from the first selected pad, which you can route as you would any other trace. When you complete the trace, the router will automatically begin a new trace from the next pad in pads. Pads that already have traces attached are skipped. You can also skip routing the current trace and move on to the next pad by pressing . You can also select footprints instead of pads; all unrouted

the current trace segment, you can cancel placing the via by pressing . The via will be removed and routing will continue on the original layer. You can place a via and end the current trace, without changing router will begin a trace from the first selected pad, which you can route as you would any other trace. When you complete the trace, the router will automatically begin a new trace from the next pad in pads. Pads that already have traces attached are skipped. You can also skip routing the current trace and move on to the next pad by pressing . You can also select footprints instead of pads; all unrouted

the current trace segment, you can cancel placing the via by pressing . The via will be removed and routing will continue on the original layer. You can place a via and end the current trace, without changing router will begin a trace from the first selected pad, which you can route as you would any other trace. When you complete the trace, the router will automatically begin a new trace from the next pad in pads. Pads that already have traces attached are skipped. You can also skip routing the current trace and move on to the next pad by pressing . You can also select footprints instead of pads; all unrouted

the current trace segment, you can cancel placing the via by pressing . The via will be removed and routing will continue on the original layer. You can place a via and end the current trace, without changing router will begin a trace from the first selected pad, which you can route as you would any other trace. When you complete the trace, the router will automatically begin a new trace from the next pad in pads. Pads that already have traces attached are skipped. You can also skip routing the current trace and move on to the next pad by pressing . You can also select footprints instead of pads; all unrouted

methods to add a via and change layer, but before clicking to fix the via and commit the current trace segment, you can cancel placing the via by pressing . The via will be removed and routing will continue layer. / Ctrl / W Shift W PgUp PgDn + - V < V 38 You can place a via and end the current trace, without changing layers, by pressing and then double- clicking or -clicking to place the via router will begin a trace from the first selected pad, which you can route as you would any other trace. When you complete the trace, the router will automatically begin a new trace from the next pad in